22459450 has 48 divisors (see below), whose sum is σ = 45543960. Its totient is φ = 8190720.

The previous prime is 22459447. The next prime is 22459457. The reversal of 22459450 is 5495422.

It can be written as a sum of positive squares in 12 ways, for example, as 303601 + 22155849 = 551^2 + 4707^2 .

It is not an unprimeable number, because it can be changed into a prime (22459457) 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 23 ways as a sum of consecutive naturals, for example, 70692 + ... + 71008.

Almost surely, 2^22459450 is an apocalyptic number.

22459450 is an abundant number, since it is smaller than the sum of its proper divisors (23084510).

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

22459450 is a wasteful number, since it uses less digits than its factorization.

22459450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22459450 is about 4739.1402173812. The cubic root of 22459450 is about 282.1411110749.

The spelling of 22459450 in words is "twenty-two million, four hundred fifty-nine thousand, four hundred fifty".