222224466681 has 32 divisors (see below), whose sum is σ = 377592134400. Its totient is φ = 126533473920.

The previous prime is 222224466677. The next prime is 222224466689. The reversal of 222224466681 is 186664422222.

It is not a de Polignac number, because 222224466681 - 2² = 222224466677 is a prime.

It is a super-2 number, since 2×222224466681² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222224466689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2039046 + ... + 2145263.

It is an arithmetic number, because the mean of its divisors is an integer number (11799754200).

Almost surely, 2^222224466681 is an apocalyptic number.

222224466681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222224466681 is a deficient number, since it is larger than the sum of its proper divisors (155367667719).

222224466681 is a wasteful number, since it uses less digits than its factorization.

222224466681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184606 (or 4184600 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The spelling of 222224466681 in words is "two hundred twenty-two billion, two hundred twenty-four million, four hundred sixty-six thousand, six hundred eighty-one".