22719798 has 16 divisors (see below), whose sum is σ = 50488560. Its totient is φ = 7573248.

The previous prime is 22719773. The next prime is 22719799. The reversal of 22719798 is 89791722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22719799) 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, 210315 + ... + 210422.

It is an arithmetic number, because the mean of its divisors is an integer number (3155535).

Almost surely, 2^22719798 is an apocalyptic number.

22719798 is an abundant number, since it is smaller than the sum of its proper divisors (27768762).

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

22719798 is a wasteful number, since it uses less digits than its factorization.

22719798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420748 (or 420742 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 22719798 is about 4766.5289257488. The cubic root of 22719798 is about 283.2271106623.

The spelling of 22719798 in words is "twenty-two million, seven hundred nineteen thousand, seven hundred ninety-eight".