222345047 has 2 divisors, whose sum is σ = 222345048. Its totient is φ = 222345046.

The previous prime is 222345043. The next prime is 222345073. The reversal of 222345047 is 740543222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222345047 - 2² = 222345043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222345041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111172523 + 111172524.

It is an arithmetic number, because the mean of its divisors is an integer number (111172524).

Almost surely, 2^222345047 is an apocalyptic number.

222345047 is a deficient number, since it is larger than the sum of its proper divisors (1).

222345047 is an equidigital number, since it uses as much as digits as its factorization.

222345047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 222345047 is about 14911.2389491953. The cubic root of 222345047 is about 605.8184374405.

Adding to 222345047 its reverse (740543222), we get a palindrome (962888269).

The spelling of 222345047 in words is "two hundred twenty-two million, three hundred forty-five thousand, forty-seven".