90223272051 has 16 divisors (see below), whose sum is σ = 134434677888. Its totient is φ = 53347092800.

The previous prime is 90223272001. The next prime is 90223272121. The reversal of 90223272051 is 15027232209.

It is a cyclic number.

It is not a de Polignac number, because 90223272051 - 2¹⁰ = 90223271027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (90223272001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33340581 + ... + 33343286.

It is an arithmetic number, because the mean of its divisors is an integer number (8402167368).

Almost surely, 2^90223272051 is an apocalyptic number.

90223272051 is a deficient number, since it is larger than the sum of its proper divisors (44211405837).

90223272051 is a wasteful number, since it uses less digits than its factorization.

90223272051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66683922.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 90223272051 in words is "ninety billion, two hundred twenty-three million, two hundred seventy-two thousand, fifty-one".