23052222 has 16 divisors (see below), whose sum is σ = 51227280. Its totient is φ = 7684056.

The previous prime is 23052203. The next prime is 23052223. The reversal of 23052222 is 22225032.

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

It is a junction number, because it is equal to n+sod(n) for n = 23052195 and 23052204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23052223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213393 + ... + 213500.

It is an arithmetic number, because the mean of its divisors is an integer number (3201705).

Almost surely, 2^23052222 is an apocalyptic number.

23052222 is an abundant number, since it is smaller than the sum of its proper divisors (28175058).

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

23052222 is a wasteful number, since it uses less digits than its factorization.

23052222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426904 (or 426898 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23052222 is about 4801.2729562065. The cubic root of 23052222 is about 284.6017706848.

Adding to 23052222 its reverse (22225032), we get a palindrome (45277254).

The spelling of 23052222 in words is "twenty-three million, fifty-two thousand, two hundred twenty-two".