22168450 has 12 divisors (see below), whose sum is σ = 41233410. Its totient is φ = 8867360.

The previous prime is 22168429. The next prime is 22168457. The reversal of 22168450 is 5486122.

It can be written as a sum of positive squares in 3 ways, for example, as 16248961 + 5919489 = 4031^2 + 2433^2 .

It is not an unprimeable number, because it can be changed into a prime (22168457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221635 + ... + 221734.

Almost surely, 2^22168450 is an apocalyptic number.

22168450 is a deficient number, since it is larger than the sum of its proper divisors (19064960).

22168450 is a wasteful number, since it uses less digits than its factorization.

22168450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443381 (or 443376 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22168450 is about 4708.3383480799. The cubic root of 22168450 is about 280.9172723716.

The spelling of 22168450 in words is "twenty-two million, one hundred sixty-eight thousand, four hundred fifty".