222971268 has 24 divisors (see below), whose sum is σ = 560287168. Its totient is φ = 68606496.

The previous prime is 222971267. The next prime is 222971291. The reversal of 222971268 is 862179222.

It is a super-3 number, since 3×222971268³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (222971263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714496 + ... + 714807.

Almost surely, 2^222971268 is an apocalyptic number.

It is an amenable number.

222971268 is an abundant number, since it is smaller than the sum of its proper divisors (337315900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222971268 is a wasteful number, since it uses less digits than its factorization.

222971268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429323 (or 1429321 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 222971268 is about 14932.2224735637. Note that the first 3 decimals coincide. The cubic root of 222971268 is about 606.3866543116.

The spelling of 222971268 in words is "two hundred twenty-two million, nine hundred seventy-one thousand, two hundred sixty-eight".