22461841 has 2 divisors, whose sum is σ = 22461842. Its totient is φ = 22461840.

The previous prime is 22461839. The next prime is 22461853. The reversal of 22461841 is 14816422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 41616 = 4735^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 22461841 - 2¹ = 22461839 is a prime.

It is a super-2 number, since 2×22461841² = 1009068602218562, which contains 22 as substring.

Together with 22461839, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22461541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230920 + 11230921.

It is an arithmetic number, because the mean of its divisors is an integer number (11230921).

Almost surely, 2^22461841 is an apocalyptic number.

It is an amenable number.

22461841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461841 is an equidigital number, since it uses as much as digits as its factorization.

22461841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 22461841 is about 4739.3924716149. The cubic root of 22461841 is about 282.1511228288.

The spelling of 22461841 in words is "twenty-two million, four hundred sixty-one thousand, eight hundred forty-one".