22211230 has 16 divisors (see below), whose sum is σ = 40072320. Its totient is φ = 8864032.

The previous prime is 22211219. The next prime is 22211249. The reversal of 22211230 is 3211222.

It is a super-2 number, since 2×22211230² = 986677476225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22211230.

It is a congruent number.

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, 2472 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (2504520).

Almost surely, 2^22211230 is an apocalyptic number.

22211230 is a deficient number, since it is larger than the sum of its proper divisors (17861090).

22211230 is a wasteful number, since it uses less digits than its factorization.

22211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22211230 is about 4712.8791624653. The cubic root of 22211230 is about 281.0978581254.

Adding to 22211230 its reverse (3211222), we get a palindrome (25422452).

The spelling of 22211230 in words is "twenty-two million, two hundred eleven thousand, two hundred thirty".