92572221 has 12 divisors (see below), whose sum is σ = 143581632. Its totient is φ = 52898328.

The previous prime is 92572159. The next prime is 92572223. The reversal of 92572221 is 12227529.

It is not a de Polignac number, because 92572221 - 2¹⁵ = 92539453 is a prime.

It is a super-2 number, since 2×92572221² = 17139232201745682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92572223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314725 + ... + 315018.

It is an arithmetic number, because the mean of its divisors is an integer number (11965136).

Almost surely, 2^92572221 is an apocalyptic number.

It is an amenable number.

92572221 is a deficient number, since it is larger than the sum of its proper divisors (51009411).

92572221 is a wasteful number, since it uses less digits than its factorization.

92572221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629760 (or 629753 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 92572221 is about 9621.4458892622. The cubic root of 92572221 is about 452.3697554598.

The spelling of 92572221 in words is "ninety-two million, five hundred seventy-two thousand, two hundred twenty-one".