22074988 has 12 divisors (see below), whose sum is σ = 41602960. Its totient is φ = 10188432.

The previous prime is 22074911. The next prime is 22074989. The reversal of 22074988 is 88947022.

It is a self number, because there is not a number n which added to its sum of digits gives 22074988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212208 + ... + 212311.

Almost surely, 2^22074988 is an apocalyptic number.

It is an amenable number.

22074988 is a deficient number, since it is larger than the sum of its proper divisors (19527972).

22074988 is a wasteful number, since it uses less digits than its factorization.

22074988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424536 (or 424534 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 22074988 is about 4698.4027073038. The cubic root of 22074988 is about 280.5219346453.

The spelling of 22074988 in words is "twenty-two million, seventy-four thousand, nine hundred eighty-eight".