22872416 has 72 divisors (see below), whose sum is σ = 54295920. Its totient is φ = 9445632.

The previous prime is 22872407. The next prime is 22872439. The reversal of 22872416 is 61427822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45221 + ... + 45723.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^22872416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22872416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27147960).

22872416 is an abundant number, since it is smaller than the sum of its proper divisors (31423504).

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

22872416 is a wasteful number, since it uses less digits than its factorization.

22872416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 541 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 22872416 is about 4782.5114741106. The cubic root of 22872416 is about 283.8598793012.

The spelling of 22872416 in words is "twenty-two million, eight hundred seventy-two thousand, four hundred sixteen".