22500746 has 4 divisors (see below), whose sum is σ = 33751122. Its totient is φ = 11250372.

The previous prime is 22500727. The next prime is 22500757. The reversal of 22500746 is 64700522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 1661521 = 4565^2 + 1289^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 5625185 + ... + 5625188.

Almost surely, 2^22500746 is an apocalyptic number.

22500746 is a deficient number, since it is larger than the sum of its proper divisors (11250376).

22500746 is a wasteful number, since it uses less digits than its factorization.

22500746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250375.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22500746 is about 4743.4951249053. The cubic root of 22500746 is about 282.3139286871.

The spelling of 22500746 in words is "twenty-two million, five hundred thousand, seven hundred forty-six".