264660222 has 8 divisors (see below), whose sum is σ = 529320456. Its totient is φ = 88220072.

The previous prime is 264660211. The next prime is 264660229. The reversal of 264660222 is 222066462.

It is a sphenic number, since it is the product of 3 distinct primes.

264660222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 264660222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264660229) 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, 22055013 + ... + 22055024.

It is an arithmetic number, because the mean of its divisors is an integer number (66165057).

Almost surely, 2^264660222 is an apocalyptic number.

264660222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264660222 is a wasteful number, since it uses less digits than its factorization.

264660222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44110042.

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

The square root of 264660222 is about 16268.3810503688. The cubic root of 264660222 is about 642.0411896982.

The spelling of 264660222 in words is "two hundred sixty-four million, six hundred sixty thousand, two hundred twenty-two".