23220222212 has 24 divisors (see below), whose sum is σ = 44456563200. Its totient is φ = 10524396960.

The previous prime is 23220222199. The next prime is 23220222229. The reversal of 23220222212 is 21222202232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740708 + ... + 771419.

It is an arithmetic number, because the mean of its divisors is an integer number (1852356800).

Almost surely, 2^23220222212 is an apocalyptic number.

23220222212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23220222212 is a deficient number, since it is larger than the sum of its proper divisors (21236340988).

23220222212 is a wasteful number, since it uses less digits than its factorization.

23220222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512491 (or 1512489 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23220222212 its reverse (21222202232), we get a palindrome (44442424444).

The spelling of 23220222212 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twelve".