22475649 has 32 divisors (see below), whose sum is σ = 36585216. Its totient is φ = 11980800.

The previous prime is 22475647. The next prime is 22475681. The reversal of 22475649 is 94657422.

It is not a de Polignac number, because 22475649 - 2¹ = 22475647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22475647) 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 31 ways as a sum of consecutive naturals, for example, 55849 + ... + 56249.

It is an arithmetic number, because the mean of its divisors is an integer number (1143288).

Almost surely, 2^22475649 is an apocalyptic number.

It is an amenable number.

22475649 is a deficient number, since it is larger than the sum of its proper divisors (14109567).

22475649 is a wasteful number, since it uses less digits than its factorization.

22475649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its digits is 120960, while the sum is 39.

The square root of 22475649 is about 4740.8489746036. The cubic root of 22475649 is about 282.2089267084.

The spelling of 22475649 in words is "twenty-two million, four hundred seventy-five thousand, six hundred forty-nine".