222406634352 has 320 divisors, whose sum is σ = 694921236480. Its totient is φ = 59955904512.

The previous prime is 222406634311. The next prime is 222406634369. The reversal of 222406634352 is 253436604222.

It is a super-2 number, since 2×222406634352² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222406634352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80376873 + ... + 80379639.

It is an arithmetic number, because the mean of its divisors is an integer number (2171628864).

Almost surely, 2^222406634352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222406634352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347460618240).

222406634352 is an abundant number, since it is smaller than the sum of its proper divisors (472514602128).

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

222406634352 is a wasteful number, since it uses less digits than its factorization.

222406634352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 222406634352 in words is "two hundred twenty-two billion, four hundred six million, six hundred thirty-four thousand, three hundred fifty-two".