222081287627 has 4 divisors (see below), whose sum is σ = 222871612776. Its totient is φ = 221290962480.

The previous prime is 222081287591. The next prime is 222081287633. The reversal of 222081287627 is 726782180222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222081287627 - 2¹² = 222081283531 is a prime.

It is a super-2 number, since 2×222081287627² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222081287677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395162153 + ... + 395162714.

It is an arithmetic number, because the mean of its divisors is an integer number (55717903194).

Almost surely, 2^222081287627 is an apocalyptic number.

222081287627 is a deficient number, since it is larger than the sum of its proper divisors (790325149).

222081287627 is an equidigital number, since it uses as much as digits as its factorization.

222081287627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790325148.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 222081287627 in words is "two hundred twenty-two billion, eighty-one million, two hundred eighty-seven thousand, six hundred twenty-seven".