222212112889536 has 1792 divisors, whose sum is σ = 902399701155840. Its totient is φ = 51848626176000.

The previous prime is 222212112889523. The next prime is 222212112889537. The reversal of 222212112889536 is 635988211212222.

222212112889536 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 1 + 2 + 1 + 1 + 28 + 89 + 536 = 666.

It is a super-2 number, since 2×222212112889536² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (222212112889537) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5118775671 + ... + 5118819081.

Almost surely, 2^{222212112889536} 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 222212112889536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451199850577920).

222212112889536 is an abundant number, since it is smaller than the sum of its proper divisors (680187588266304).

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

222212112889536 is a wasteful number, since it uses less digits than its factorization.

222212112889536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43571 (or 43555 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 222212112889536 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred twelve million, eight hundred eighty-nine thousand, five hundred thirty-six".