222336681 has 32 divisors (see below), whose sum is σ = 351436800. Its totient is φ = 122351040.

The previous prime is 222336679. The next prime is 222336683. The reversal of 222336681 is 186633222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222336679) and next prime (222336683).

It is not a de Polignac number, because 222336681 - 2¹ = 222336679 is a prime.

It is a super-2 number, since 2×222336681² = 98867199436191522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222336683) 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, 154875 + ... + 156303.

It is an arithmetic number, because the mean of its divisors is an integer number (10982400).

Almost surely, 2^222336681 is an apocalyptic number.

222336681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222336681 is a deficient number, since it is larger than the sum of its proper divisors (129100119).

222336681 is a wasteful number, since it uses less digits than its factorization.

222336681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its digits is 20736, while the sum is 33.

The square root of 222336681 is about 14910.9584199004. The cubic root of 222336681 is about 605.8108391292.

The spelling of 222336681 in words is "two hundred twenty-two million, three hundred thirty-six thousand, six hundred eighty-one".