23222020312 has 32 divisors (see below), whose sum is σ = 44599222800. Its totient is φ = 11329444224.

The previous prime is 23222020307. The next prime is 23222020313. The reversal of 23222020312 is 21302022232.

It is a super-3 number, since 3×23222020312³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23222020312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222020313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309114 + ... + 376822.

Almost surely, 2^23222020312 is an apocalyptic number.

It is an amenable number.

23222020312 is a deficient number, since it is larger than the sum of its proper divisors (21377202488).

23222020312 is a wasteful number, since it uses less digits than its factorization.

23222020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68755 (or 68751 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23222020312 its reverse (21302022232), we get a palindrome (44524042544).

The spelling of 23222020312 in words is "twenty-three billion, two hundred twenty-two million, twenty thousand, three hundred twelve".