22113650 has 36 divisors (see below), whose sum is σ = 44555742. Its totient is φ = 8161920.

The previous prime is 22113643. The next prime is 22113661. The reversal of 22113650 is 5631122.

It can be written as a sum of positive squares in 9 ways, for example, as 667489 + 21446161 = 817^2 + 4631^2 .

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 in 17 ways as a sum of consecutive naturals, for example, 7142 + ... + 9758.

Almost surely, 2^22113650 is an apocalyptic number.

22113650 is an abundant number, since it is smaller than the sum of its proper divisors (22442092).

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

22113650 is a wasteful number, since it uses less digits than its factorization.

22113650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22113650 is about 4702.5152843983. The cubic root of 22113650 is about 280.6856072686.

Adding to 22113650 its reverse (5631122), we get a palindrome (27744772).

The spelling of 22113650 in words is "twenty-two million, one hundred thirteen thousand, six hundred fifty".