22505754 has 16 divisors (see below), whose sum is σ = 45628992. Its totient is φ = 7399008.

The previous prime is 22505741. The next prime is 22505759. The reversal of 22505754 is 45750522.

It is not an unprimeable number, because it can be changed into a prime (22505759) 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 7 ways as a sum of consecutive naturals, for example, 25254 + ... + 26129.

It is an arithmetic number, because the mean of its divisors is an integer number (2851812).

Almost surely, 2^22505754 is an apocalyptic number.

22505754 is an abundant number, since it is smaller than the sum of its proper divisors (23123238).

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

22505754 is a wasteful number, since it uses less digits than its factorization.

22505754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51461.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22505754 is about 4744.0229763356. The cubic root of 22505754 is about 282.3348720412.

The spelling of 22505754 in words is "twenty-two million, five hundred five thousand, seven hundred fifty-four".