22251130 has 64 divisors (see below), whose sum is σ = 47184768. Its totient is φ = 7464960.

The previous prime is 22251127. The next prime is 22251137. The reversal of 22251130 is 3115222.

It is a super-2 number, since 2×22251130² = 990225572553800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22251137) 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, 136429 + ... + 136591.

It is an arithmetic number, because the mean of its divisors is an integer number (737262).

Almost surely, 2^22251130 is an apocalyptic number.

22251130 is an abundant number, since it is smaller than the sum of its proper divisors (24933638).

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

22251130 is a wasteful number, since it uses less digits than its factorization.

22251130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22251130 is about 4717.1103442680. The cubic root of 22251130 is about 281.2660777640.

Adding to 22251130 its reverse (3115222), we get a palindrome (25366352).

It can be divided in two parts, 22 and 251130, that added together give a palindrome (251152).

The spelling of 22251130 in words is "twenty-two million, two hundred fifty-one thousand, one hundred thirty".