23422455 has 24 divisors (see below), whose sum is σ = 46399392. Its totient is φ = 10707264.

The previous prime is 23422423. The next prime is 23422471. The reversal of 23422455 is 55422432.

It is a happy number.

It is not a de Polignac number, because 23422455 - 2⁵ = 23422423 is a prime.

It is a super-2 number, since 2×23422455² = 1097222796454050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36864 + ... + 37493.

It is an arithmetic number, because the mean of its divisors is an integer number (1933308).

Almost surely, 2^23422455 is an apocalyptic number.

23422455 is a deficient number, since it is larger than the sum of its proper divisors (22976937).

23422455 is a wasteful number, since it uses less digits than its factorization.

23422455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74375 (or 74372 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 23422455 is about 4839.6750924003. The cubic root of 23422455 is about 286.1173129505.

Adding to 23422455 its reverse (55422432), we get a palindrome (78844887).

The spelling of 23422455 in words is "twenty-three million, four hundred twenty-two thousand, four hundred fifty-five".