22426488 has 48 divisors (see below), whose sum is σ = 69416880. Its totient is φ = 6407424.

The previous prime is 22426471. The next prime is 22426493. The reversal of 22426488 is 88462422.

It is a happy number.

22426488 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 648 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21745 + ... + 22752.

It is an arithmetic number, because the mean of its divisors is an integer number (1446185).

Almost surely, 2^22426488 is an apocalyptic number.

22426488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22426488 is an abundant number, since it is smaller than the sum of its proper divisors (46990392).

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

22426488 is a wasteful number, since it uses less digits than its factorization.

22426488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44516 (or 44509 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 22426488 is about 4735.6613054567. The cubic root of 22426488 is about 282.0030179245.

The spelling of 22426488 in words is "twenty-two million, four hundred twenty-six thousand, four hundred eighty-eight".