222505435452 has 72 divisors (see below), whose sum is σ = 537339496960. Its totient is φ = 71587092960.

The previous prime is 222505435433. The next prime is 222505435469. The reversal of 222505435452 is 254534505222.

It is a self number, because there is not a number n which added to its sum of digits gives 222505435452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226352953 + ... + 226353935.

Almost surely, 2^222505435452 is an apocalyptic number.

It is an amenable number.

222505435452 is an abundant number, since it is smaller than the sum of its proper divisors (314834061508).

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

222505435452 is an equidigital number, since it uses as much as digits as its factorization.

222505435452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 222505435452 in words is "two hundred twenty-two billion, five hundred five million, four hundred thirty-five thousand, four hundred fifty-two".