23232222 has 48 divisors (see below), whose sum is σ = 54800928. Its totient is φ = 7070400.

The previous prime is 23232221. The next prime is 23232239. The reversal of 23232222 is 22223232.

It is a super-2 number, since 2×23232222² = 1079472278114568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 23232195 and 23232204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23143 + ... + 24125.

It is an arithmetic number, because the mean of its divisors is an integer number (1141686).

Almost surely, 2^23232222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23232222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27400464).

23232222 is an abundant number, since it is smaller than the sum of its proper divisors (31568706).

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

23232222 is a wasteful number, since it uses less digits than its factorization.

23232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1102 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 23232222 is about 4819.9815352343. The cubic root of 23232222 is about 285.3406084679.

Adding to 23232222 its reverse (22223232), we get a palindrome (45455454).

The spelling of 23232222 in words is "twenty-three million, two hundred thirty-two thousand, two hundred twenty-two".