222527347021 has 6 divisors (see below), whose sum is σ = 258858342510. Its totient is φ = 190737725976.

The previous prime is 222527347013. The next prime is 222527347043. The reversal of 222527347021 is 120743725222.

It can be written as a sum of positive squares in only one way, i.e., 202602612996 + 19924734025 = 450114^2 + 141155^2 .

It is not a de Polignac number, because 222527347021 - 2³ = 222527347013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222527347061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2270687166 + ... + 2270687263.

It is an arithmetic number, because the mean of its divisors is an integer number (43143057085).

Almost surely, 2^222527347021 is an apocalyptic number.

It is an amenable number.

222527347021 is a deficient number, since it is larger than the sum of its proper divisors (36330995489).

222527347021 is an equidigital number, since it uses as much as digits as its factorization.

222527347021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541374443 (or 4541374436 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 222527347021 in words is "two hundred twenty-two billion, five hundred twenty-seven million, three hundred forty-seven thousand, twenty-one".