75022216 has 16 divisors (see below), whose sum is σ = 140762700. Its totient is φ = 37485504.

The previous prime is 75022187. The next prime is 75022231. The reversal of 75022216 is 61222057.

It can be written as a sum of positive squares in 2 ways, for example, as 73034116 + 1988100 = 8546^2 + 1410^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16086 + ... + 20218.

Almost surely, 2^75022216 is an apocalyptic number.

It is an amenable number.

75022216 is a deficient number, since it is larger than the sum of its proper divisors (65740484).

75022216 is a wasteful number, since it uses less digits than its factorization.

75022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 75022216 is about 8661.5365842326. The cubic root of 75022216 is about 421.7579678737.

The spelling of 75022216 in words is "seventy-five million, twenty-two thousand, two hundred sixteen".