22431841 has 2 divisors, whose sum is σ = 22431842. Its totient is φ = 22431840.

The previous prime is 22431833. The next prime is 22431869. The reversal of 22431841 is 14813422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 8526400 = 3729^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431841 - 2³ = 22431833 is a prime.

It is not a weakly prime, because it can be changed into another prime (22431821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215920 + 11215921.

It is an arithmetic number, because the mean of its divisors is an integer number (11215921).

Almost surely, 2^22431841 is an apocalyptic number.

It is an amenable number.

22431841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431841 is an equidigital number, since it uses as much as digits as its factorization.

22431841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 22431841 is about 4736.2264515118. The cubic root of 22431841 is about 282.0254533302.

The spelling of 22431841 in words is "twenty-two million, four hundred thirty-one thousand, eight hundred forty-one".