85617022 has 8 divisors (see below), whose sum is σ = 130342536. Its totient is φ = 42169512.

The previous prime is 85617011. The next prime is 85617023. The reversal of 85617022 is 22071658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85617022² = 14660548912296968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85617023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319333 + ... + 319600.

It is an arithmetic number, because the mean of its divisors is an integer number (16292817).

Almost surely, 2^85617022 is an apocalyptic number.

85617022 is a deficient number, since it is larger than the sum of its proper divisors (44725514).

85617022 is a wasteful number, since it uses less digits than its factorization.

85617022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639002.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 85617022 is about 9252.9466657925. The cubic root of 85617022 is about 440.7443015285.

The spelling of 85617022 in words is "eighty-five million, six hundred seventeen thousand, twenty-two".