222772241376636 has 24 divisors (see below), whose sum is σ = 594059310337920. Its totient is φ = 63649211821872.

The previous prime is 222772241376617. The next prime is 222772241376637. The reversal of 222772241376636 is 636673142277222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 222772241376636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222772241376637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326025246206 + ... + 1326025246373.

It is an arithmetic number, because the mean of its divisors is an integer number (24752471264080).

Almost surely, 2^{222772241376636} is an apocalyptic number.

It is an amenable number.

222772241376636 is an abundant number, since it is smaller than the sum of its proper divisors (371287068961284).

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

222772241376636 is a wasteful number, since it uses less digits than its factorization.

222772241376636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652050492593 (or 2652050492591 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 60.

The spelling of 222772241376636 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-one million, three hundred seventy-six thousand, six hundred thirty-six".