23219772 has 24 divisors (see below), whose sum is σ = 55069392. Its totient is φ = 7612800.

The previous prime is 23219771. The next prime is 23219783. The reversal of 23219772 is 27791232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23219771) 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, 15129 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (2294558).

Almost surely, 2^23219772 is an apocalyptic number.

It is an amenable number.

23219772 is an abundant number, since it is smaller than the sum of its proper divisors (31849620).

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

23219772 is a wasteful number, since it uses less digits than its factorization.

23219772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31789 (or 31787 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 23219772 is about 4818.6898634380. The cubic root of 23219772 is about 285.2896286211.

The spelling of 23219772 in words is "twenty-three million, two hundred nineteen thousand, seven hundred seventy-two".