22045072 has 20 divisors (see below), whose sum is σ = 48814336. Its totient is φ = 9447840.

The previous prime is 22044991. The next prime is 22045087. The reversal of 22045072 is 27054022.

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, 98304 + ... + 98527.

Almost surely, 2^22045072 is an apocalyptic number.

It is an amenable number.

22045072 is an abundant number, since it is smaller than the sum of its proper divisors (26769264).

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

22045072 is a wasteful number, since it uses less digits than its factorization.

22045072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196846 (or 196840 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22045072 is about 4695.2179928093. The cubic root of 22045072 is about 280.3951563500.

Adding to 22045072 its reverse (27054022), we get a palindrome (49099094).

The spelling of 22045072 in words is "twenty-two million, forty-five thousand, seventy-two".