22167488 has 28 divisors (see below), whose sum is σ = 50273712. Its totient is φ = 9500160.

The previous prime is 22167487. The next prime is 22167491. The reversal of 22167488 is 88476122.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22167487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24293 + ... + 25188.

Almost surely, 2^22167488 is an apocalyptic number.

22167488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22167488 is an abundant number, since it is smaller than the sum of its proper divisors (28106224).

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

22167488 is an equidigital number, since it uses as much as digits as its factorization.

22167488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49500 (or 49490 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 22167488 is about 4708.2361877884. The cubic root of 22167488 is about 280.9132088440.

The spelling of 22167488 in words is "twenty-two million, one hundred sixty-seven thousand, four hundred eighty-eight".