22215130 has 24 divisors (see below), whose sum is σ = 46516788. Its totient is φ = 7616448.

The previous prime is 22215101. The next prime is 22215157. The reversal of 22215130 is 3151222.

It can be written as a sum of positive squares in 2 ways, for example, as 22193521 + 21609 = 4711^2 + 147^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22179 + ... + 23158.

Almost surely, 2^22215130 is an apocalyptic number.

22215130 is an abundant number, since it is smaller than the sum of its proper divisors (24301658).

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

22215130 is a wasteful number, since it uses less digits than its factorization.

22215130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45358 (or 45351 counting only the distinct ones).

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

The square root of 22215130 is about 4713.2929041170. The cubic root of 22215130 is about 281.1143095254.

Adding to 22215130 its reverse (3151222), we get a palindrome (25366352).

The spelling of 22215130 in words is "twenty-two million, two hundred fifteen thousand, one hundred thirty".