22111330 has 16 divisors (see below), whose sum is σ = 39853944. Its totient is φ = 8832640.

The previous prime is 22111321. The next prime is 22111351. The reversal of 22111330 is 3311122.

It can be written as a sum of positive squares in 4 ways, for example, as 20313049 + 1798281 = 4507^2 + 1341^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22111330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14064 + ... + 15556.

Almost surely, 2^22111330 is an apocalyptic number.

22111330 is a deficient number, since it is larger than the sum of its proper divisors (17742614).

22111330 is a wasteful number, since it uses less digits than its factorization.

22111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 22111330 is about 4702.2686014306. The cubic root of 22111330 is about 280.6757911085.

Adding to 22111330 its reverse (3311122), we get a palindrome (25422452).

The spelling of 22111330 in words is "twenty-two million, one hundred eleven thousand, three hundred thirty".