22110231 has 16 divisors (see below), whose sum is σ = 34634880. Its totient is φ = 12369120.

The previous prime is 22110229. The next prime is 22110239. The reversal of 22110231 is 13201122.

It is not a de Polignac number, because 22110231 - 2¹ = 22110229 is a prime.

It is a super-2 number, since 2×22110231² = 977724629746722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25341 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (2164680).

Almost surely, 2^22110231 is an apocalyptic number.

22110231 is a deficient number, since it is larger than the sum of its proper divisors (12524649).

22110231 is a wasteful number, since it uses less digits than its factorization.

22110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51566.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 22110231 is about 4702.1517414903. The cubic root of 22110231 is about 280.6711408862.

Adding to 22110231 its reverse (13201122), we get a palindrome (35311353).

The spelling of 22110231 in words is "twenty-two million, one hundred ten thousand, two hundred thirty-one".