225157868751522 has 32 divisors (see below), whose sum is σ = 537022494415872. Its totient is φ = 61533827484624.

The previous prime is 225157868751461. The next prime is 225157868751689.

225157868751522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225157868751522² (a number of 30 digits) contains 22 as substring.

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, 116541338968 + ... + 116541340899.

It is an arithmetic number, because the mean of its divisors is an integer number (16781952950496).

Almost surely, 2^{225157868751522} is an apocalyptic number.

225157868751522 is an abundant number, since it is smaller than the sum of its proper divisors (311864625664350).

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

225157868751522 is a wasteful number, since it uses less digits than its factorization.

225157868751522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233082679902.

The product of its digits is 188160000, while the sum is 66.

The spelling of 225157868751522 in words is "two hundred twenty-five trillion, one hundred fifty-seven billion, eight hundred sixty-eight million, seven hundred fifty-one thousand, five hundred twenty-two".