85224542 has 16 divisors (see below), whose sum is σ = 141392832. Its totient is φ = 38270880.

The previous prime is 85224523. The next prime is 85224563. The reversal of 85224542 is 24542258.

It is a junction number, because it is equal to n+sod(n) for n = 85224499 and 85224508.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43334 + ... + 45257.

It is an arithmetic number, because the mean of its divisors is an integer number (8837052).

Almost surely, 2^85224542 is an apocalyptic number.

85224542 is a deficient number, since it is larger than the sum of its proper divisors (56168290).

85224542 is a wasteful number, since it uses less digits than its factorization.

85224542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88643.

The product of its digits is 25600, while the sum is 32.

The square root of 85224542 is about 9231.7139253770. The cubic root of 85224542 is about 440.0697926479.

The spelling of 85224542 in words is "eighty-five million, two hundred twenty-four thousand, five hundred forty-two".