22719804 has 12 divisors (see below), whose sum is σ = 53012904. Its totient is φ = 7573264.

The previous prime is 22719799. The next prime is 22719811. The reversal of 22719804 is 40891722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 946647 + ... + 946670.

It is an arithmetic number, because the mean of its divisors is an integer number (4417742).

Almost surely, 2^22719804 is an apocalyptic number.

It is an amenable number.

22719804 is an abundant number, since it is smaller than the sum of its proper divisors (30293100).

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

22719804 is a wasteful number, since it uses less digits than its factorization.

22719804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893324 (or 1893322 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22719804 is about 4766.5295551376. The cubic root of 22719804 is about 283.2271355945.

The spelling of 22719804 in words is "twenty-two million, seven hundred nineteen thousand, eight hundred four".