23201220022 has 8 divisors (see below), whose sum is σ = 35321260536. Its totient is φ = 11427466512.

The previous prime is 23201220011. The next prime is 23201220041. The reversal of 23201220022 is 22002210232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23201220022² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23201219978 and 23201220005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86571583 + ... + 86571850.

It is an arithmetic number, because the mean of its divisors is an integer number (4415157567).

Almost surely, 2^23201220022 is an apocalyptic number.

23201220022 is a deficient number, since it is larger than the sum of its proper divisors (12120040514).

23201220022 is a wasteful number, since it uses less digits than its factorization.

23201220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173143502.

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

Adding to 23201220022 its reverse (22002210232), we get a palindrome (45203430254).

The spelling of 23201220022 in words is "twenty-three billion, two hundred one million, two hundred twenty thousand, twenty-two".