22899880 has 16 divisors (see below), whose sum is σ = 51524820. Its totient is φ = 9159936.

The previous prime is 22899859. The next prime is 22899889. The reversal of 22899880 is 8899822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21141604 + 1758276 = 4598^2 + 1326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22899880.

It is not an unprimeable number, because it can be changed into a prime (22899889) by changing a digit.

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, 286209 + ... + 286288.

Almost surely, 2^22899880 is an apocalyptic number.

22899880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22899880 is an abundant number, since it is smaller than the sum of its proper divisors (28624940).

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

22899880 is a wasteful number, since it uses less digits than its factorization.

22899880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572508 (or 572504 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 22899880 is about 4785.3819074343. The cubic root of 22899880 is about 283.9734485526.

The spelling of 22899880 in words is "twenty-two million, eight hundred ninety-nine thousand, eight hundred eighty".