2223131512 has 32 divisors (see below), whose sum is σ = 4788817920. Its totient is φ = 947777760.

The previous prime is 2223131507. The next prime is 2223131567. The reversal of 2223131512 is 2151313222.

It is a super-2 number, since 2×2223131512² = 9884627439294812288, which contains 22 as substring.

It is a congruent number.

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, 93228 + ... + 114619.

It is an arithmetic number, because the mean of its divisors is an integer number (149650560).

Almost surely, 2^2223131512 is an apocalyptic number.

It is an amenable number.

2223131512 is an abundant number, since it is smaller than the sum of its proper divisors (2565686408).

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

2223131512 is a wasteful number, since it uses less digits than its factorization.

2223131512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208051 (or 208047 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 2223131512 is about 47150.0955672414. The cubic root of 2223131512 is about 1305.1338435752.

Adding to 2223131512 its reverse (2151313222), we get a palindrome (4374444734).

The spelling of 2223131512 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, five hundred twelve".