222664131 has 12 divisors (see below), whose sum is σ = 322657608. Its totient is φ = 147966624.

The previous prime is 222664121. The next prime is 222664133. The reversal of 222664131 is 131466222.

222664131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222664131 - 2⁶ = 222664067 is a prime.

It is a super-2 number, since 2×222664131² = 99158630467970322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222664095 and 222664104.

It is not an unprimeable number, because it can be changed into a prime (222664133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36705 + ... + 42338.

It is an arithmetic number, because the mean of its divisors is an integer number (26888134).

Almost surely, 2^222664131 is an apocalyptic number.

222664131 is a deficient number, since it is larger than the sum of its proper divisors (99993477).

222664131 is a wasteful number, since it uses less digits than its factorization.

222664131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79362 (or 79359 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 222664131 is about 14921.9345595670. The cubic root of 222664131 is about 606.1080992011.

The spelling of 222664131 in words is "two hundred twenty-two million, six hundred sixty-four thousand, one hundred thirty-one".