22495930 has 16 divisors (see below), whose sum is σ = 42874920. Its totient is φ = 8468992.

The previous prime is 22495901. The next prime is 22495937. The reversal of 22495930 is 3959422.

It can be written as a sum of positive squares in 4 ways, for example, as 18774889 + 3721041 = 4333^2 + 1929^2 .

It is a super-3 number, since 3×22495930³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (22495937) 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, 65995 + ... + 66334.

Almost surely, 2^22495930 is an apocalyptic number.

22495930 is a deficient number, since it is larger than the sum of its proper divisors (20378990).

22495930 is a wasteful number, since it uses less digits than its factorization.

22495930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132353.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 22495930 is about 4742.9874551805. The cubic root of 22495930 is about 282.2937853417.

The spelling of 22495930 in words is "twenty-two million, four hundred ninety-five thousand, nine hundred thirty".