222794647 has 4 divisors (see below), whose sum is σ = 222834976. Its totient is φ = 222754320.

The previous prime is 222794641. The next prime is 222794657. The reversal of 222794647 is 746497222.

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 222794647 - 2⁷ = 222794519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222794641) 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, 10254 + ... + 23467.

It is an arithmetic number, because the mean of its divisors is an integer number (55708744).

Almost surely, 2^222794647 is an apocalyptic number.

222794647 is a deficient number, since it is larger than the sum of its proper divisors (40329).

222794647 is an equidigital number, since it uses as much as digits as its factorization.

222794647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328.

The product of its digits is 338688, while the sum is 43.

The square root of 222794647 is about 14926.3072124354. The cubic root of 222794647 is about 606.2265007790.

The spelling of 222794647 in words is "two hundred twenty-two million, seven hundred ninety-four thousand, six hundred forty-seven".