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222230422240 = 2551388940139
BaseRepresentation
bin1100111011110111110…
…1110010001011100000
3210020121121202010212021
43032331331302023200
512120111442002430
6250031413111224
722025035264441
oct3167575621340
9706547663767
10222230422240
118627a309492
12370a0628514
1317c57b1a688
14aa826c32c8
155ba9e1b07a
hex33bdf722e0

222230422240 has 24 divisors (see below), whose sum is σ = 525019372920. Its totient is φ = 88892168832.

The previous prime is 222230422181. The next prime is 222230422283. The reversal of 222230422240 is 42224032222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694469910 + ... + 694470229.

It is an arithmetic number, because the mean of its divisors is an integer number (21875807205).

Almost surely, 2222230422240 is an apocalyptic number.

222230422240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222230422240 is an abundant number, since it is smaller than the sum of its proper divisors (302788950680).

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

222230422240 is a wasteful number, since it uses less digits than its factorization.

222230422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388940154 (or 1388940146 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 222230422240 its reverse (42224032222), we get a palindrome (264454454462).

The spelling of 222230422240 in words is "two hundred twenty-two billion, two hundred thirty million, four hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1388940139 2777880278 5555760556 6944700695 11111521112 13889401390 22223042224 27778802780 44446084448 55557605560 111115211120 222230422240