22550313 has 32 divisors (see below), whose sum is σ = 33523200. Its totient is φ = 13418496.

The previous prime is 22550303. The next prime is 22550323. The reversal of 22550313 is 31305522.

It is an interprime number because it is at equal distance from previous prime (22550303) and next prime (22550323).

It is not a de Polignac number, because 22550313 - 2⁶ = 22550249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22550313.

It is not an unprimeable number, because it can be changed into a prime (22550303) 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 31 ways as a sum of consecutive naturals, for example, 116745 + ... + 116937.

It is an arithmetic number, because the mean of its divisors is an integer number (1047600).

Almost surely, 2^22550313 is an apocalyptic number.

It is an amenable number.

22550313 is a deficient number, since it is larger than the sum of its proper divisors (10972887).

22550313 is a wasteful number, since it uses less digits than its factorization.

22550313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 22550313 is about 4748.7169846181. The cubic root of 22550313 is about 282.5210802136.

Adding to 22550313 its reverse (31305522), we get a palindrome (53855835).

The spelling of 22550313 in words is "twenty-two million, five hundred fifty thousand, three hundred thirteen".