23408222 has 4 divisors (see below), whose sum is σ = 35112336. Its totient is φ = 11704110.

The previous prime is 23408219. The next prime is 23408233. The reversal of 23408222 is 22280432.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5852054 + ... + 5852057.

It is an arithmetic number, because the mean of its divisors is an integer number (8778084).

Almost surely, 2^23408222 is an apocalyptic number.

23408222 is a deficient number, since it is larger than the sum of its proper divisors (11704114).

23408222 is a wasteful number, since it uses less digits than its factorization.

23408222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704113.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 23408222 is about 4838.2044189968. The cubic root of 23408222 is about 286.0593467402.

Adding to 23408222 its reverse (22280432), we get a palindrome (45688654).

The spelling of 23408222 in words is "twenty-three million, four hundred eight thousand, two hundred twenty-two".