85222969 has 16 divisors (see below), whose sum is σ = 94832640. Its totient is φ = 76083840.

The previous prime is 85222957. The next prime is 85222979. The reversal of 85222969 is 96922258.

It is a cyclic number.

It is not a de Polignac number, because 85222969 - 2⁹ = 85222457 is a prime.

It is a super-2 number, since 2×85222969² = 14525908890349922, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (155520) is a multiple of the sum of its prime divisors (1440).

It is not an unprimeable number, because it can be changed into a prime (85222979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67062 + ... + 68320.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2^85222969 is an apocalyptic number.

It is an amenable number.

85222969 is a deficient number, since it is larger than the sum of its proper divisors (9609671).

85222969 is a wasteful number, since it uses less digits than its factorization.

85222969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its digits is 155520, while the sum is 43.

The square root of 85222969 is about 9231.6287295363. The cubic root of 85222969 is about 440.0670851569.

The spelling of 85222969 in words is "eighty-five million, two hundred twenty-two thousand, nine hundred sixty-nine".