85224768 has 28 divisors (see below), whose sum is σ = 225491040. Its totient is φ = 28408192.

The previous prime is 85224767. The next prime is 85224793. The reversal of 85224768 is 86742258.

It is a happy number.

It is a super-2 number, since 2×85224768² = 14526522161307648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85224767) 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, 221748 + ... + 222131.

Almost surely, 2^85224768 is an apocalyptic number.

It is an amenable number.

85224768 is an abundant number, since it is smaller than the sum of its proper divisors (140266272).

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

85224768 is a wasteful number, since it uses less digits than its factorization.

85224768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443894 (or 443884 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 85224768 is about 9231.7261657829. The cubic root of 85224768 is about 440.0701816426.

The spelling of 85224768 in words is "eighty-five million, two hundred twenty-four thousand, seven hundred sixty-eight".