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22252551413 = 181122942273
BaseRepresentation
bin10100101110010110…
…101111110011110101
32010102211002201212212
4110232112233303311
5331033123121123
614120033223205
71415303365121
oct245626576365
963384081785
1022252551413
119489a92264
124390401b05
132138278ab1
141111522581
158a38b8878
hex52e5afcf5

22252551413 has 4 divisors (see below), whose sum is σ = 22375493868. Its totient is φ = 22129608960.

The previous prime is 22252551403. The next prime is 22252551439. The reversal of 22252551413 is 31415525222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 502790929 + 21749760484 = 22423^2 + 147478^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252551413 - 216 = 22252485877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22252551413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252551403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61470956 + ... + 61471317.

It is an arithmetic number, because the mean of its divisors is an integer number (5593873467).

Almost surely, 222252551413 is an apocalyptic number.

It is an amenable number.

22252551413 is a deficient number, since it is larger than the sum of its proper divisors (122942455).

22252551413 is a wasteful number, since it uses less digits than its factorization.

22252551413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122942454.

The product of its digits is 24000, while the sum is 32.

The spelling of 22252551413 in words is "twenty-two billion, two hundred fifty-two million, five hundred fifty-one thousand, four hundred thirteen".

Divisors: 1 181 122942273 22252551413