222378330 has 16 divisors (see below), whose sum is σ = 533708064. Its totient is φ = 59300880.

The previous prime is 222378313. The next prime is 222378349. The reversal of 222378330 is 33873222.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7412611 = 222378330 / (2 + 2 + 2 + 3 + 7 + 8 + 3 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706276 + ... + 3706335.

It is an arithmetic number, because the mean of its divisors is an integer number (33356754).

Almost surely, 2^222378330 is an apocalyptic number.

222378330 is an abundant number, since it is smaller than the sum of its proper divisors (311329734).

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

222378330 is a wasteful number, since it uses less digits than its factorization.

222378330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412621.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 222378330 is about 14912.3549448100. The cubic root of 222378330 is about 605.8486644073.

The spelling of 222378330 in words is "two hundred twenty-two million, three hundred seventy-eight thousand, three hundred thirty".