222212532557 has 8 divisors (see below), whose sum is σ = 233925931584. Its totient is φ = 210670132288.

The previous prime is 222212532539. The next prime is 222212532589. The reversal of 222212532557 is 755235212222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222212532557 - 2²⁶ = 222145423693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222212532557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212532517) 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, 42747023 + ... + 42752220.

It is an arithmetic number, because the mean of its divisors is an integer number (29240741448).

Almost surely, 2^222212532557 is an apocalyptic number.

It is an amenable number.

222212532557 is a deficient number, since it is larger than the sum of its proper divisors (11713399027).

222212532557 is a wasteful number, since it uses less digits than its factorization.

222212532557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85499379.

The product of its digits is 168000, while the sum is 38.

Adding to 222212532557 its reverse (755235212222), we get a palindrome (977447744779).

The spelling of 222212532557 in words is "two hundred twenty-two billion, two hundred twelve million, five hundred thirty-two thousand, five hundred fifty-seven".