222797139266 has 64 divisors (see below), whose sum is σ = 379609251840. Its totient is φ = 97297865280.

The previous prime is 222797139239. The next prime is 222797139269. The reversal of 222797139266 is 662931797222.

It is a super-2 number, since 2×222797139266² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222797139269) 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 31 ways as a sum of consecutive naturals, for example, 90603545 + ... + 90606003.

It is an arithmetic number, because the mean of its divisors is an integer number (5931394560).

Almost surely, 2^222797139266 is an apocalyptic number.

222797139266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222797139266 is a deficient number, since it is larger than the sum of its proper divisors (156812112574).

222797139266 is a wasteful number, since it uses less digits than its factorization.

222797139266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071.

The product of its digits is 6858432, while the sum is 56.

The spelling of 222797139266 in words is "two hundred twenty-two billion, seven hundred ninety-seven million, one hundred thirty-nine thousand, two hundred sixty-six".