22439941 has 2 divisors, whose sum is σ = 22439942. Its totient is φ = 22439940.

The previous prime is 22439929. The next prime is 22439947. The reversal of 22439941 is 14993422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 152100 = 4721^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 22439941 - 2⁹ = 22439429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22439897 and 22439906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22439947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11219970 + 11219971.

It is an arithmetic number, because the mean of its divisors is an integer number (11219971).

Almost surely, 2^22439941 is an apocalyptic number.

It is an amenable number.

22439941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22439941 is an equidigital number, since it uses as much as digits as its factorization.

22439941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 22439941 is about 4737.0814854718. The cubic root of 22439941 is about 282.0593951314.

The spelling of 22439941 in words is "twenty-two million, four hundred thirty-nine thousand, nine hundred forty-one".