23302221222 has 32 divisors (see below), whose sum is σ = 53651008512. Its totient is φ = 6609178944.

The previous prime is 23302221197. The next prime is 23302221223. The reversal of 23302221222 is 22212220332.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302221223) 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, 2019118 + ... + 2030625.

It is an arithmetic number, because the mean of its divisors is an integer number (1676594016).

Almost surely, 2^23302221222 is an apocalyptic number.

23302221222 is an abundant number, since it is smaller than the sum of its proper divisors (30348787290).

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

23302221222 is a wasteful number, since it uses less digits than its factorization.

23302221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049892.

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

Adding to 23302221222 its reverse (22212220332), we get a palindrome (45514441554).

The spelling of 23302221222 in words is "twenty-three billion, three hundred two million, two hundred twenty-one thousand, two hundred twenty-two".