22162630 has 64 divisors (see below), whose sum is σ = 48153600. Its totient is φ = 7185024.

The previous prime is 22162619. The next prime is 22162633. The reversal of 22162630 is 3626122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162633) 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, 111271 + ... + 111469.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 2^22162630 is an apocalyptic number.

22162630 is an abundant number, since it is smaller than the sum of its proper divisors (25990970).

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

22162630 is a wasteful number, since it uses less digits than its factorization.

22162630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22162630 is about 4707.7202550704. The cubic root of 22162630 is about 280.8926866559.

Adding to 22162630 its reverse (3626122), we get a palindrome (25788752).

The spelling of 22162630 in words is "twenty-two million, one hundred sixty-two thousand, six hundred thirty".