222267378 has 8 divisors (see below), whose sum is σ = 444534768. Its totient is φ = 74089124.

The previous prime is 222267373. The next prime is 222267379. The reversal of 222267378 is 873762222.

It is a sphenic number, since it is the product of 3 distinct primes.

222267378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (222267373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18522276 + ... + 18522287.

It is an arithmetic number, because the mean of its divisors is an integer number (55566846).

Almost surely, 2^222267378 is an apocalyptic number.

222267378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222267378 is a wasteful number, since it uses less digits than its factorization.

222267378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37044568.

The product of its digits is 112896, while the sum is 39.

The square root of 222267378 is about 14908.6343438962. The cubic root of 222267378 is about 605.7478882456.

The spelling of 222267378 in words is "two hundred twenty-two million, two hundred sixty-seven thousand, three hundred seventy-eight".