11622231 has 8 divisors (see below), whose sum is σ = 17218160. Its totient is φ = 7748136.

The previous prime is 11622227. The next prime is 11622251. The reversal of 11622231 is 13222611.

11622231 is a `hidden beast` number, since 11 + 622 + 2 + 31 = 666.

It is not a de Polignac number, because 11622231 - 2² = 11622227 is a prime.

It is a super-2 number, since 2×11622231² = 270152506834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215200 + ... + 215253.

It is an arithmetic number, because the mean of its divisors is an integer number (2152270).

Almost surely, 2^11622231 is an apocalyptic number.

11622231 is a deficient number, since it is larger than the sum of its proper divisors (5595929).

11622231 is an equidigital number, since it uses as much as digits as its factorization.

11622231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430462 (or 430456 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11622231 is about 3409.1393342015. The cubic root of 11622231 is about 226.5147571631.

Adding to 11622231 its reverse (13222611), we get a palindrome (24844842).

The spelling of 11622231 in words is "eleven million, six hundred twenty-two thousand, two hundred thirty-one".