222543100612 has 24 divisors (see below), whose sum is σ = 445183153856. Its totient is φ = 95354839008.

The previous prime is 222543100601. The next prime is 222543100627. The reversal of 222543100612 is 216001345222.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 734463 + ... + 992230.

Almost surely, 2^222543100612 is an apocalyptic number.

It is an amenable number.

222543100612 is an abundant number, since it is smaller than the sum of its proper divisors (222640053244).

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

222543100612 is a wasteful number, since it uses less digits than its factorization.

222543100612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731307 (or 1731305 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 222543100612 its reverse (216001345222), we get a palindrome (438544445834).

The spelling of 222543100612 in words is "two hundred twenty-two billion, five hundred forty-three million, one hundred thousand, six hundred twelve".