85006224 has 30 divisors (see below), whose sum is σ = 237899766. Its totient is φ = 28335360.

The previous prime is 85006219. The next prime is 85006249. The reversal of 85006224 is 42260058.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 16646400 = 8268^2 + 4080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295017 + ... + 295304.

Almost surely, 2^85006224 is an apocalyptic number.

It is an amenable number.

85006224 is an abundant number, since it is smaller than the sum of its proper divisors (152893542).

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

85006224 is a wasteful number, since it uses less digits than its factorization.

85006224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590335 (or 590326 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 85006224 is about 9219.8819949064. The cubic root of 85006224 is about 439.6936986668.

The spelling of 85006224 in words is "eighty-five million, six thousand, two hundred twenty-four".