23220213122 has 8 divisors (see below), whose sum is σ = 34836273936. Its totient is φ = 11608121812.

The previous prime is 23220213097. The next prime is 23220213131. The reversal of 23220213122 is 22131202232.

It is a happy number.

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

It is a super-2 number, since 2×23220213122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220213094 and 23220213103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977708 + ... + 1001175.

It is an arithmetic number, because the mean of its divisors is an integer number (4354534242).

Almost surely, 2^23220213122 is an apocalyptic number.

23220213122 is a deficient number, since it is larger than the sum of its proper divisors (11616060814).

23220213122 is a wasteful number, since it uses less digits than its factorization.

23220213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984752.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23220213122 its reverse (22131202232), we get a palindrome (45351415354).

The spelling of 23220213122 in words is "twenty-three billion, two hundred twenty million, two hundred thirteen thousand, one hundred twenty-two".