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2222421324220 = 2251922072649967
BaseRepresentation
bin100000010101110010101…
…000100011000110111100
321212110110100210211010001
4200111302220203012330
5242403004324333340
64420544413524044
7316364446365166
oct40256250430674
97773410724101
102222421324220
117875839987a9
122ba8784a3624
1313175baa1ba6
14797cc667936
153cc24a5729a
hex20572a231bc

2222421324220 has 48 divisors (see below), whose sum is σ = 4914948648960. Its totient is φ = 841798799424.

The previous prime is 2222421324197. The next prime is 2222421324241. The reversal of 2222421324220 is 224231242222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486324 + ... + 2163643.

It is an arithmetic number, because the mean of its divisors is an integer number (102394763520).

Almost surely, 22222421324220 is an apocalyptic number.

2222421324220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222421324220 is an abundant number, since it is smaller than the sum of its proper divisors (2692527324740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222421324220 is a wasteful number, since it uses less digits than its factorization.

2222421324220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652202 (or 2652200 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2222421324220 its reverse (224231242222), we get a palindrome (2446652566442).

The spelling of 2222421324220 in words is "two trillion, two hundred twenty-two billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2207 4414 8828 11035 22070 41933 44140 83866 167732 209665 419330 838660 2649967 5299934 10599868 13249835 26499670 50349373 52999340 100698746 201397492 251746865 503493730 1006987460 5848477169 11696954338 23393908676 29242385845 58484771690 111121066211 116969543380 222242132422 444484264844 555605331055 1111210662110 2222421324220