22041999 has 24 divisors (see below), whose sum is σ = 36606752. Its totient is φ = 12519360.

The previous prime is 22041997. The next prime is 22042003. The reversal of 22041999 is 99914022.

It is not a de Polignac number, because 22041999 - 2¹ = 22041997 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10437 + ... + 12369.

Almost surely, 2^22041999 is an apocalyptic number.

22041999 is a deficient number, since it is larger than the sum of its proper divisors (14564753).

22041999 is a wasteful number, since it uses less digits than its factorization.

22041999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2124 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 22041999 is about 4694.8907335528. The cubic root of 22041999 is about 280.3821270684.

The spelling of 22041999 in words is "twenty-two million, forty-one thousand, nine hundred ninety-nine".