23622222 has 32 divisors (see below), whose sum is σ = 52069248. Its totient is φ = 7098336.

The previous prime is 23622139. The next prime is 23622227. The reversal of 23622222 is 22222632.

It is a nude number because it is divisible by every one of its digits.

23622222 is a modest number, since divided by 22222 gives 236 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1627164).

Almost surely, 2^23622222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23622222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26034624).

23622222 is an abundant number, since it is smaller than the sum of its proper divisors (28447026).

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

23622222 is a wasteful number, since it uses less digits than its factorization.

23622222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104.

The product of its digits is 1152, while the sum is 21.

The square root of 23622222 is about 4860.2697456005. The cubic root of 23622222 is about 286.9284301542.

Adding to 23622222 its reverse (22222632), we get a palindrome (45844854).

The spelling of 23622222 in words is "twenty-three million, six hundred twenty-two thousand, two hundred twenty-two".