22422488 has 32 divisors (see below), whose sum is σ = 46560960. Its totient is φ = 10037280.

The previous prime is 22422487. The next prime is 22422503. The reversal of 22422488 is 88422422.

It is a happy number.

It is a super-2 number, since 2×22422488² = 1005535936220288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422487) 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, 3995 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (1455030).

Almost surely, 2^22422488 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 22422488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23280480).

22422488 is an abundant number, since it is smaller than the sum of its proper divisors (24138472).

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

22422488 is a wasteful number, since it uses less digits than its factorization.

22422488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 22422488 is about 4735.2389591234. The cubic root of 22422488 is about 281.9862508596.

The spelling of 22422488 in words is "twenty-two million, four hundred twenty-two thousand, four hundred eighty-eight".