22130364 has 48 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 6745536.

The previous prime is 22130351. The next prime is 22130371. The reversal of 22130364 is 46303122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22130364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4939 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^22130364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22130364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

22130364 is an abundant number, since it is smaller than the sum of its proper divisors (34116036).

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

22130364 is a wasteful number, since it uses less digits than its factorization.

22130364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22130364 is about 4704.2920827687. The cubic root of 22130364 is about 280.7563056500.

Adding to 22130364 its reverse (46303122), we get a palindrome (68433486).

The spelling of 22130364 in words is "twenty-two million, one hundred thirty thousand, three hundred sixty-four".