22373712 has 80 divisors (see below), whose sum is σ = 65263680. Its totient is φ = 7337088.

The previous prime is 22373707. The next prime is 22373719. The reversal of 22373712 is 21737322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22373719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28558 + ... + 29330.

It is an arithmetic number, because the mean of its divisors is an integer number (815796).

Almost surely, 2^22373712 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 22373712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32631840).

22373712 is an abundant number, since it is smaller than the sum of its proper divisors (42889968).

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

22373712 is a wasteful number, since it uses less digits than its factorization.

22373712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 845 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 22373712 is about 4730.0858343163. The cubic root of 22373712 is about 281.7816326707.

The spelling of 22373712 in words is "twenty-two million, three hundred seventy-three thousand, seven hundred twelve".