23220222100 has 18 divisors (see below), whose sum is σ = 50387882174. Its totient is φ = 9288088800.

The previous prime is 23220222071. The next prime is 23220222131. The reversal of 23220222100 is 122202232.

It can be written as a sum of positive squares in 3 ways, for example, as 4627808784 + 18592413316 = 68028^2 + 136354^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116101011 + ... + 116101210.

Almost surely, 2^23220222100 is an apocalyptic number.

23220222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220222100 is an abundant number, since it is smaller than the sum of its proper divisors (27167660074).

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

23220222100 is a wasteful number, since it uses less digits than its factorization.

23220222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232202235 (or 232202228 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23220222100 its reverse (122202232), we get a palindrome (23342424332).

The spelling of 23220222100 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred".