222405696 has 224 divisors, whose sum is σ = 708842880. Its totient is φ = 68124672.

The previous prime is 222405691. The next prime is 222405731. The reversal of 222405696 is 696504222.

It is a super-2 number, since 2×222405696² = 98928587226488832, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222405696.

It is not an unprimeable number, because it can be changed into a prime (222405691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1968136 + ... + 1968248.

Almost surely, 2^222405696 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 222405696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354421440).

222405696 is an abundant number, since it is smaller than the sum of its proper divisors (486437184).

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

222405696 is a wasteful number, since it uses less digits than its factorization.

222405696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 222405696 is about 14913.2724778970. The cubic root of 222405696 is about 605.8735154115.

The spelling of 222405696 in words is "two hundred twenty-two million, four hundred five thousand, six hundred ninety-six".