22169800 has 24 divisors (see below), whose sum is σ = 51545250. Its totient is φ = 8867840.

The previous prime is 22169773. The next prime is 22169839. The reversal of 22169800 is 896122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21141604 + 1028196 = 4598^2 + 1014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55225 + ... + 55624.

Almost surely, 2^22169800 is an apocalyptic number.

22169800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22169800 is an abundant number, since it is smaller than the sum of its proper divisors (29375450).

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

22169800 is a wasteful number, since it uses less digits than its factorization.

22169800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110865 (or 110856 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22169800 is about 4708.4817085766. The cubic root of 22169800 is about 280.9229746289.

The spelling of 22169800 in words is "twenty-two million, one hundred sixty-nine thousand, eight hundred".