22119944 has 64 divisors (see below), whose sum is σ = 52272000. Its totient is φ = 8524800.

The previous prime is 22119919. The next prime is 22119959. The reversal of 22119944 is 44991122.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 22119944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91664 + ... + 91904.

It is an arithmetic number, because the mean of its divisors is an integer number (816750).

Almost surely, 2^22119944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22119944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26136000).

22119944 is an abundant number, since it is smaller than the sum of its proper divisors (30152056).

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

22119944 is a wasteful number, since it uses less digits than its factorization.

22119944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 22119944 is about 4703.1844531126. The cubic root of 22119944 is about 280.7122343765.

The spelling of 22119944 in words is "twenty-two million, one hundred nineteen thousand, nine hundred forty-four".