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2221322070 = 235116731279
BaseRepresentation
bin1000010001100110…
…1010111101010110
312201210210212000210
42010121222331112
514022124301240
61004230350250
7106021632432
oct20431527526
95653725023
102221322070
11a3a973170
1251babb386
13295288776
1417102b9c2
15d002e780
hex8466af56

2221322070 has 32 divisors (see below), whose sum is σ = 5815825920. Its totient is φ = 538502240.

The previous prime is 2221322057. The next prime is 2221322071. The reversal of 2221322070 is 702231222.

It is a happy number.

2221322070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221322071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3365310 + ... + 3365969.

It is an arithmetic number, because the mean of its divisors is an integer number (181744560).

Almost surely, 22221322070 is an apocalyptic number.

2221322070 is an abundant number, since it is smaller than the sum of its proper divisors (3594503850).

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

2221322070 is a wasteful number, since it uses less digits than its factorization.

2221322070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731300.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2221322070 is about 47130.9035559472. The cubic root of 2221322070 is about 1304.7796577531.

Adding to 2221322070 its reverse (702231222), we get a palindrome (2923553292).

The spelling of 2221322070 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 6731279 13462558 20193837 33656395 40387674 67312790 74044069 100969185 148088138 201938370 222132207 370220345 444264414 740440690 1110661035 2221322070