222194473 has 2 divisors, whose sum is σ = 222194474. Its totient is φ = 222194472.

The previous prime is 222194461. The next prime is 222194477. The reversal of 222194473 is 374491222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200590569 + 21603904 = 14163^2 + 4648^2 .

It is a cyclic number.

It is not a de Polignac number, because 222194473 - 2¹³ = 222186281 is a prime.

It is not a weakly prime, because it can be changed into another prime (222194477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111097236 + 111097237.

It is an arithmetic number, because the mean of its divisors is an integer number (111097237).

Almost surely, 2^222194473 is an apocalyptic number.

It is an amenable number.

222194473 is a deficient number, since it is larger than the sum of its proper divisors (1).

222194473 is an equidigital number, since it uses as much as digits as its factorization.

222194473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 222194473 is about 14906.1890837330. The cubic root of 222194473 is about 605.6816513863.

The spelling of 222194473 in words is "two hundred twenty-two million, one hundred ninety-four thousand, four hundred seventy-three".