85222929 has 16 divisors (see below), whose sum is σ = 125357760. Its totient is φ = 51068160.

The previous prime is 85222867. The next prime is 85222931. The reversal of 85222929 is 92922258.

It is not a de Polignac number, because 85222929 - 2⁷ = 85222801 is a prime.

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, 11572 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (7834860).

Almost surely, 2^85222929 is an apocalyptic number.

85222929 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

85222929 is a deficient number, since it is larger than the sum of its proper divisors (40134831).

85222929 is a wasteful number, since it uses less digits than its factorization.

85222929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29120.

The product of its digits is 51840, while the sum is 39.

The square root of 85222929 is about 9231.6265630711. The cubic root of 85222929 is about 440.0670163074.

It can be divided in two parts, 852229 and 29, that added together give a palindrome (852258).

The spelling of 85222929 in words is "eighty-five million, two hundred twenty-two thousand, nine hundred twenty-nine".