90892277522 has 6 divisors (see below), whose sum is σ = 136339055829. Its totient is φ = 45445925580.

The previous prime is 90892277513. The next prime is 90892277551. The reversal of 90892277522 is 22577229809.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64557154561 + 26335122961 = 254081^2 + 162281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=213181.

It is a super-2 number, since 2×90892277522² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 319772 + ... + 532952.

Almost surely, 2^90892277522 is an apocalyptic number.

90892277522 is a deficient number, since it is larger than the sum of its proper divisors (45446778307).

90892277522 is an frugal number, since it uses more digits than its factorization.

90892277522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426364 (or 213183 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 90892277522 in words is "ninety billion, eight hundred ninety-two million, two hundred seventy-seven thousand, five hundred twenty-two".