22041388 has 6 divisors (see below), whose sum is σ = 38572436. Its totient is φ = 11020692.

The previous prime is 22041379. The next prime is 22041427. The reversal of 22041388 is 88314022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755170 + ... + 2755177.

Almost surely, 2^22041388 is an apocalyptic number.

It is an amenable number.

22041388 is a deficient number, since it is larger than the sum of its proper divisors (16531048).

22041388 is a wasteful number, since it uses less digits than its factorization.

22041388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510351 (or 5510349 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22041388 is about 4694.8256623649. The cubic root of 22041388 is about 280.3795363314.

The spelling of 22041388 in words is "twenty-two million, forty-one thousand, three hundred eighty-eight".