22119988 has 24 divisors (see below), whose sum is σ = 43593984. Its totient is φ = 9729600.

The previous prime is 22119973. The next prime is 22119989. The reversal of 22119988 is 88991122.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22119988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22119989) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6745 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (1816416).

Almost surely, 2^22119988 is an apocalyptic number.

It is an amenable number.

22119988 is a deficient number, since it is larger than the sum of its proper divisors (21473996).

22119988 is a wasteful number, since it uses less digits than its factorization.

22119988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16263 (or 16261 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 22119988 is about 4703.1891307920. The cubic root of 22119988 is about 280.7124205031.

The spelling of 22119988 in words is "twenty-two million, one hundred nineteen thousand, nine hundred eighty-eight".