22254988 has 24 divisors (see below), whose sum is σ = 45178112. Its totient is φ = 9394704.

The previous prime is 22254983. The next prime is 22254997. The reversal of 22254988 is 88945222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22254988.

It is not an unprimeable number, because it can be changed into a prime (22254983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056 + ... + 7807.

Almost surely, 2^22254988 is an apocalyptic number.

22254988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22254988 is an abundant number, since it is smaller than the sum of its proper divisors (22923124).

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

22254988 is a wasteful number, since it uses less digits than its factorization.

22254988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941 (or 11939 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 22254988 is about 4717.5192633417. The cubic root of 22254988 is about 281.2823325463.

The spelling of 22254988 in words is "twenty-two million, two hundred fifty-four thousand, nine hundred eighty-eight".