222794646 has 32 divisors (see below), whose sum is σ = 485222400. Its totient is φ = 67929120.

The previous prime is 222794641. The next prime is 222794657. The reversal of 222794646 is 646497222.

It is a junction number, because it is equal to n+sod(n) for n = 222794598 and 222794607.

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 15 ways as a sum of consecutive naturals, for example, 30390 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (15163200).

Almost surely, 2^222794646 is an apocalyptic number.

222794646 is an abundant number, since it is smaller than the sum of its proper divisors (262427754).

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

222794646 is a wasteful number, since it uses less digits than its factorization.

222794646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67444.

The product of its digits is 290304, while the sum is 42.

The square root of 222794646 is about 14926.3071789375. The cubic root of 222794646 is about 606.2264998720.

The spelling of 222794646 in words is "two hundred twenty-two million, seven hundred ninety-four thousand, six hundred forty-six".