22842988 has 12 divisors (see below), whose sum is σ = 45686032. Its totient is φ = 9789840.

The previous prime is 22842977. The next prime is 22843013. The reversal of 22842988 is 88924822.

It is a happy number.

22842988 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 407883 + ... + 407938.

Almost surely, 2^22842988 is an apocalyptic number.

22842988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22842988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22842988 is a wasteful number, since it uses less digits than its factorization.

22842988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815832 (or 815830 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 22842988 is about 4779.4338576865. The cubic root of 22842988 is about 283.7380875668.

The spelling of 22842988 in words is "twenty-two million, eight hundred forty-two thousand, nine hundred eighty-eight".