22550770 has 24 divisors (see below), whose sum is σ = 44619372. Its totient is φ = 8199840.

The previous prime is 22550767. The next prime is 22550771. The reversal of 22550770 is 7705522.

It can be written as a sum of positive squares in 2 ways, for example, as 18498601 + 4052169 = 4301^2 + 2013^2 .

It is not an unprimeable number, because it can be changed into a prime (22550771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8109 + ... + 10528.

Almost surely, 2^22550770 is an apocalyptic number.

22550770 is a deficient number, since it is larger than the sum of its proper divisors (22068602).

22550770 is a wasteful number, since it uses less digits than its factorization.

22550770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666 (or 18655 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 22550770 is about 4748.7651026346. The cubic root of 22550770 is about 282.5229887054.

The spelling of 22550770 in words is "twenty-two million, five hundred fifty thousand, seven hundred seventy".