222405405552 has 120 divisors (see below), whose sum is σ = 679155459840. Its totient is φ = 67381184640.

The previous prime is 222405405527. The next prime is 222405405569. The reversal of 222405405552 is 255504504222.

222405405552 is a `hidden beast` number, since 2 + 2 + 240 + 5 + 405 + 5 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 9186199 + ... + 9210377.

It is an arithmetic number, because the mean of its divisors is an integer number (5659628832).

Almost surely, 2^222405405552 is an apocalyptic number.

222405405552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222405405552 is an abundant number, since it is smaller than the sum of its proper divisors (456750054288).

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

222405405552 is a wasteful number, since it uses less digits than its factorization.

222405405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30011 (or 30002 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 222405405552 its reverse (255504504222), we get a palindrome (477909909774).

The spelling of 222405405552 in words is "two hundred twenty-two billion, four hundred five million, four hundred five thousand, five hundred fifty-two".