222774319 has 4 divisors (see below), whose sum is σ = 225826096. Its totient is φ = 219722544.

The previous prime is 222774301. The next prime is 222774323. The reversal of 222774319 is 913477222.

222774319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222774319 - 2⁵ = 222774287 is a prime.

It is a super-2 number, since 2×222774319² = 99256794411827522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222774119) 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, 1525779 + ... + 1525924.

It is an arithmetic number, because the mean of its divisors is an integer number (56456524).

Almost surely, 2^222774319 is an apocalyptic number.

222774319 is a deficient number, since it is larger than the sum of its proper divisors (3051777).

222774319 is an equidigital number, since it uses as much as digits as its factorization.

222774319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051776.

The product of its digits is 42336, while the sum is 37.

The square root of 222774319 is about 14925.6262515179. The cubic root of 222774319 is about 606.2080626533.

The spelling of 222774319 in words is "two hundred twenty-two million, seven hundred seventy-four thousand, three hundred nineteen".