222046266 has 32 divisors (see below), whose sum is σ = 478880640. Its totient is φ = 68232384.

The previous prime is 222046259. The next prime is 222046277. The reversal of 222046266 is 662640222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82051 + ... + 84713.

It is an arithmetic number, because the mean of its divisors is an integer number (14965020).

Almost surely, 2^222046266 is an apocalyptic number.

222046266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222046266 is an abundant number, since it is smaller than the sum of its proper divisors (256834374).

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

222046266 is a wasteful number, since it uses less digits than its factorization.

222046266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 222046266 is about 14901.2169301705. The cubic root of 222046266 is about 605.5469552270.

Adding to 222046266 its reverse (662640222), we get a palindrome (884686488).

The spelling of 222046266 in words is "two hundred twenty-two million, forty-six thousand, two hundred sixty-six".