23415222 has 16 divisors (see below), whose sum is σ = 49585392. Its totient is φ = 7345920.

The previous prime is 23415221. The next prime is 23415247. The reversal of 23415222 is 22251432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114679 + ... + 114882.

It is an arithmetic number, because the mean of its divisors is an integer number (3099087).

Almost surely, 2^23415222 is an apocalyptic number.

23415222 is an abundant number, since it is smaller than the sum of its proper divisors (26170170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23415222 is a wasteful number, since it uses less digits than its factorization.

23415222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229583.

The product of its digits is 960, while the sum is 21.

The square root of 23415222 is about 4838.9277737945. The cubic root of 23415222 is about 286.0878583156.

Adding to 23415222 its reverse (22251432), we get a palindrome (45666654).

The spelling of 23415222 in words is "twenty-three million, four hundred fifteen thousand, two hundred twenty-two".