222534100452 has 12 divisors (see below), whose sum is σ = 519246234416. Its totient is φ = 74178033480.

The previous prime is 222534100447. The next prime is 222534100487. The reversal of 222534100452 is 254001435222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9272254174 + ... + 9272254197.

Almost surely, 2^222534100452 is an apocalyptic number.

It is an amenable number.

222534100452 is an abundant number, since it is smaller than the sum of its proper divisors (296712133964).

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

222534100452 is a wasteful number, since it uses less digits than its factorization.

222534100452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18544508378 (or 18544508376 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 222534100452 its reverse (254001435222), we get a palindrome (476535535674).

The spelling of 222534100452 in words is "two hundred twenty-two billion, five hundred thirty-four million, one hundred thousand, four hundred fifty-two".