22464013272 has 32 divisors (see below), whose sum is σ = 59115825600. Its totient is φ = 7093898784.

The previous prime is 22464013249. The next prime is 22464013279. The reversal of 22464013272 is 27231046422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464013279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24631138 + ... + 24632049.

It is an arithmetic number, because the mean of its divisors is an integer number (1847369550).

Almost surely, 2^22464013272 is an apocalyptic number.

It is an amenable number.

22464013272 is an abundant number, since it is smaller than the sum of its proper divisors (36651812328).

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

22464013272 is a wasteful number, since it uses less digits than its factorization.

22464013272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49263215 (or 49263211 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 22464013272 its reverse (27231046422), we get a palindrome (49695059694).

The spelling of 22464013272 in words is "twenty-two billion, four hundred sixty-four million, thirteen thousand, two hundred seventy-two".