222466961 has 4 divisors (see below), whose sum is σ = 223011300. Its totient is φ = 221922624.

The previous prime is 222466949. The next prime is 222466967. The reversal of 222466961 is 169664222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79210000 + 143256961 = 8900^2 + 11969^2 .

It is a cyclic number.

It is not a de Polignac number, because 222466961 - 2⁶ = 222466897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222466967) 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, 271556 + ... + 272373.

It is an arithmetic number, because the mean of its divisors is an integer number (55752825).

Almost surely, 2^222466961 is an apocalyptic number.

It is an amenable number.

222466961 is a deficient number, since it is larger than the sum of its proper divisors (544339).

222466961 is an equidigital number, since it uses as much as digits as its factorization.

222466961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544338.

The product of its digits is 62208, while the sum is 38.

The square root of 222466961 is about 14915.3263792651. The cubic root of 222466961 is about 605.9291426336.

The spelling of 222466961 in words is "two hundred twenty-two million, four hundred sixty-six thousand, nine hundred sixty-one".