22750522 has 8 divisors (see below), whose sum is σ = 36133236. Its totient is φ = 10706112.

The previous prime is 22750513. The next prime is 22750561. The reversal of 22750522 is 22505722.

It can be written as a sum of positive squares in 2 ways, for example, as 16801801 + 5948721 = 4099^2 + 2439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 334533 + ... + 334600.

Almost surely, 2^22750522 is an apocalyptic number.

22750522 is a deficient number, since it is larger than the sum of its proper divisors (13382714).

22750522 is a wasteful number, since it uses less digits than its factorization.

22750522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669152.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22750522 is about 4769.7507272393. The cubic root of 22750522 is about 283.3547225683.

The spelling of 22750522 in words is "twenty-two million, seven hundred fifty thousand, five hundred twenty-two".