222354396 has 120 divisors (see below), whose sum is σ = 642161520. Its totient is φ = 66528000.

The previous prime is 222354383. The next prime is 222354403. The reversal of 222354396 is 693453222.

It is a happy number.

222354396 is a `hidden beast` number, since 2 + 2 + 23 + 543 + 96 = 666.

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 222354396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 316846 + ... + 317546.

It is an arithmetic number, because the mean of its divisors is an integer number (5351346).

Almost surely, 2^222354396 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 222354396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321080760).

222354396 is an abundant number, since it is smaller than the sum of its proper divisors (419807124).

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

222354396 is a wasteful number, since it uses less digits than its factorization.

222354396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 806 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 222354396 is about 14911.5524342706. The cubic root of 222354396 is about 605.8269283233.

The spelling of 222354396 in words is "two hundred twenty-two million, three hundred fifty-four thousand, three hundred ninety-six".