85055224 has 8 divisors (see below), whose sum is σ = 159478560. Its totient is φ = 42527608.

The previous prime is 85055203. The next prime is 85055249. The reversal of 85055224 is 42255058.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85055224² = 14468782259380352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315944 + ... + 5315959.

It is an arithmetic number, because the mean of its divisors is an integer number (19934820).

Almost surely, 2^85055224 is an apocalyptic number.

It is an amenable number.

85055224 is a deficient number, since it is larger than the sum of its proper divisors (74423336).

85055224 is a wasteful number, since it uses less digits than its factorization.

85055224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631909 (or 10631905 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 85055224 is about 9222.5389129025. The cubic root of 85055224 is about 439.7781664145.

The spelling of 85055224 in words is "eighty-five million, fifty-five thousand, two hundred twenty-four".