222854447 has 2 divisors, whose sum is σ = 222854448. Its totient is φ = 222854446.

The previous prime is 222854371. The next prime is 222854483. The reversal of 222854447 is 744458222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222854447 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222854447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222854747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111427223 + 111427224.

It is an arithmetic number, because the mean of its divisors is an integer number (111427224).

Almost surely, 2^222854447 is an apocalyptic number.

222854447 is a deficient number, since it is larger than the sum of its proper divisors (1).

222854447 is an equidigital number, since it uses as much as digits as its factorization.

222854447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 38.

The square root of 222854447 is about 14928.3102526709. The cubic root of 222854447 is about 606.2807347298.

The spelling of 222854447 in words is "two hundred twenty-two million, eight hundred fifty-four thousand, four hundred forty-seven".