22019874 has 16 divisors (see below), whose sum is σ = 45558720. Its totient is φ = 7086800.

The previous prime is 22019867. The next prime is 22019891. The reversal of 22019874 is 47891022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63102 + ... + 63449.

It is an arithmetic number, because the mean of its divisors is an integer number (2847420).

Almost surely, 2^22019874 is an apocalyptic number.

22019874 is an abundant number, since it is smaller than the sum of its proper divisors (23538846).

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

22019874 is a wasteful number, since it uses less digits than its factorization.

22019874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126585.

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

The square root of 22019874 is about 4692.5338570968. The cubic root of 22019874 is about 280.2882830190.

The spelling of 22019874 in words is "twenty-two million, nineteen thousand, eight hundred seventy-four".