85122252 has 30 divisors (see below), whose sum is σ = 222527228. Its totient is φ = 28373976.

The previous prime is 85122251. The next prime is 85122259. The reversal of 85122252 is 25222158.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (85122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131038 + ... + 131685.

Almost surely, 2^85122252 is an apocalyptic number.

It is an amenable number.

85122252 is an abundant number, since it is smaller than the sum of its proper divisors (137404976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85122252 is a wasteful number, since it uses less digits than its factorization.

85122252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262739 (or 262728 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 85122252 is about 9226.1721206576. The cubic root of 85122252 is about 439.8936588741.

The spelling of 85122252 in words is "eighty-five million, one hundred twenty-two thousand, two hundred fifty-two".