22452231 has 8 divisors (see below), whose sum is σ = 30501360. Its totient is φ = 14685632.

The previous prime is 22452197. The next prime is 22452233. The reversal of 22452231 is 13225422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22452231 - 2⁷ = 22452103 is a prime.

It is a super-2 number, since 2×22452231² = 1008205353754722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22452198 and 22452207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70446 + ... + 70763.

It is an arithmetic number, because the mean of its divisors is an integer number (3812670).

Almost surely, 2^22452231 is an apocalyptic number.

22452231 is a deficient number, since it is larger than the sum of its proper divisors (8049129).

22452231 is a wasteful number, since it uses less digits than its factorization.

22452231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141265.

The product of its digits is 960, while the sum is 21.

The square root of 22452231 is about 4738.3785201269. The cubic root of 22452231 is about 282.1108788869.

Adding to 22452231 its reverse (13225422), we get a palindrome (35677653).

The spelling of 22452231 in words is "twenty-two million, four hundred fifty-two thousand, two hundred thirty-one".