22502450 has 24 divisors (see below), whose sum is σ = 41993220. Its totient is φ = 8971200.

The previous prime is 22502443. The next prime is 22502461. The reversal of 22502450 is 5420522.

It can be written as a sum of positive squares in 6 ways, for example, as 1590121 + 20912329 = 1261^2 + 4573^2 .

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 11 ways as a sum of consecutive naturals, for example, 20516 + ... + 21584.

Almost surely, 2^22502450 is an apocalyptic number.

22502450 is a deficient number, since it is larger than the sum of its proper divisors (19490770).

22502450 is a wasteful number, since it uses less digits than its factorization.

22502450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22502450 is about 4743.6747358983. The cubic root of 22502450 is about 282.3210551292.

Adding to 22502450 its reverse (5420522), we get a palindrome (27922972).

The spelling of 22502450 in words is "twenty-two million, five hundred two thousand, four hundred fifty".