73220044 has 12 divisors (see below), whose sum is σ = 129757600. Its totient is φ = 36146448.

The previous prime is 73220039. The next prime is 73220087. The reversal of 73220044 is 44002237.

It is a super-2 number, since 2×73220044² = 10722349686723872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73219997 and 73220024.

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, 115539 + ... + 116170.

Almost surely, 2^73220044 is an apocalyptic number.

It is an amenable number.

73220044 is a deficient number, since it is larger than the sum of its proper divisors (56537556).

73220044 is a wasteful number, since it uses less digits than its factorization.

73220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231792 (or 231790 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 73220044 is about 8556.8711571462. The cubic root of 73220044 is about 418.3534246773.

The spelling of 73220044 in words is "seventy-three million, two hundred twenty thousand, forty-four".