22754231 has 2 divisors, whose sum is σ = 22754232. Its totient is φ = 22754230.

The previous prime is 22754219. The next prime is 22754233. The reversal of 22754231 is 13245722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22754231 - 2¹⁰ = 22753207 is a prime.

It is a super-2 number, since 2×22754231² = 1035510056802722, which contains 22 as substring.

Together with 22754233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22754231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22754233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11377115 + 11377116.

It is an arithmetic number, because the mean of its divisors is an integer number (11377116).

Almost surely, 2^22754231 is an apocalyptic number.

22754231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22754231 is an equidigital number, since it uses as much as digits as its factorization.

22754231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 26.

The square root of 22754231 is about 4770.1395157794. The cubic root of 22754231 is about 283.3701200986.

Adding to 22754231 its reverse (13245722), we get a palindrome (35999953).

The spelling of 22754231 in words is "twenty-two million, seven hundred fifty-four thousand, two hundred thirty-one".