22458401 has 4 divisors (see below), whose sum is σ = 25666752. Its totient is φ = 19250052.

The previous prime is 22458391. The next prime is 22458407. The reversal of 22458401 is 10485422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22458401 - 2¹⁰ = 22457377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22458407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604165 + ... + 1604178.

It is an arithmetic number, because the mean of its divisors is an integer number (6416688).

Almost surely, 2^22458401 is an apocalyptic number.

It is an amenable number.

22458401 is a deficient number, since it is larger than the sum of its proper divisors (3208351).

22458401 is an equidigital number, since it uses as much as digits as its factorization.

22458401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208350.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22458401 is about 4739.0295420054. The cubic root of 22458401 is about 282.1367184082.

The spelling of 22458401 in words is "twenty-two million, four hundred fifty-eight thousand, four hundred one".