22447488 has 96 divisors (see below), whose sum is σ = 69419160. Its totient is φ = 6408192.

The previous prime is 22447483. The next prime is 22447501. The reversal of 22447488 is 88474422.

It is a tau number, because it is divible by the number of its divisors (96).

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 (22447483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18220 + ... + 19412.

Almost surely, 2^22447488 is an apocalyptic number.

22447488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22447488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34709580).

22447488 is an abundant number, since it is smaller than the sum of its proper divisors (46971672).

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

22447488 is a wasteful number, since it uses less digits than its factorization.

22447488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1205 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 22447488 is about 4737.8780060276. The cubic root of 22447488 is about 282.0910123217.

The spelling of 22447488 in words is "twenty-two million, four hundred forty-seven thousand, four hundred eighty-eight".