222267994 has 8 divisors (see below), whose sum is σ = 359048340. Its totient is φ = 102585216.

The previous prime is 222267971. The next prime is 222268003. The reversal of 222267994 is 499762222.

It can be written as a sum of positive squares in 2 ways, for example, as 192182769 + 30085225 = 13863^2 + 5485^2 .

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

It is a super-3 number, since 3×222267994³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 222267994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274359 + ... + 4274410.

Almost surely, 2^222267994 is an apocalyptic number.

222267994 is a deficient number, since it is larger than the sum of its proper divisors (136780346).

222267994 is a wasteful number, since it uses less digits than its factorization.

222267994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548784.

The product of its digits is 217728, while the sum is 43.

The square root of 222267994 is about 14908.6550030511. The cubic root of 222267994 is about 605.7484478425.

The spelling of 222267994 in words is "two hundred twenty-two million, two hundred sixty-seven thousand, nine hundred ninety-four".