222336215556 has 96 divisors (see below), whose sum is σ = 638753525760. Its totient is φ = 58615208064.

The previous prime is 222336215533. The next prime is 222336215557. The reversal of 222336215556 is 655512633222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (222336215557) 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, 2852065 + ... + 2928983.

It is an arithmetic number, because the mean of its divisors is an integer number (6653682560).

Almost surely, 2^222336215556 is an apocalyptic number.

222336215556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222336215556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319376762880).

222336215556 is an abundant number, since it is smaller than the sum of its proper divisors (416417310204).

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

222336215556 is a wasteful number, since it uses less digits than its factorization.

222336215556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79593 (or 79591 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

Adding to 222336215556 its reverse (655512633222), we get a palindrome (877848848778).

The spelling of 222336215556 in words is "two hundred twenty-two billion, three hundred thirty-six million, two hundred fifteen thousand, five hundred fifty-six".