22938841 has 2 divisors, whose sum is σ = 22938842. Its totient is φ = 22938840.

The previous prime is 22938829. The next prime is 22938901. The reversal of 22938841 is 14883922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22762441 + 176400 = 4771^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 22938841 - 2⁹ = 22938329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22938841.

It is not a weakly prime, because it can be changed into another prime (22938341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11469420 + 11469421.

It is an arithmetic number, because the mean of its divisors is an integer number (11469421).

Almost surely, 2^22938841 is an apocalyptic number.

It is an amenable number.

22938841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22938841 is an equidigital number, since it uses as much as digits as its factorization.

22938841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 22938841 is about 4789.4510123813. The cubic root of 22938841 is about 284.1344045764.

The spelling of 22938841 in words is "twenty-two million, nine hundred thirty-eight thousand, eight hundred forty-one".