2221233264 has 60 divisors (see below), whose sum is σ = 6280493856. Its totient is φ = 732773376.

The previous prime is 2221233263. The next prime is 2221233271. The reversal of 2221233264 is 4623321222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221233263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65544 + ... + 93479.

Almost surely, 2^2221233264 is an apocalyptic number.

2221233264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221233264 is an abundant number, since it is smaller than the sum of its proper divisors (4059260592).

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

2221233264 is a wasteful number, since it uses less digits than its factorization.

2221233264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159134 (or 159125 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2221233264 is about 47129.9614258276. The cubic root of 2221233264 is about 1304.7622696387.

Adding to 2221233264 its reverse (4623321222), we get a palindrome (6844554486).

The spelling of 2221233264 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, two hundred sixty-four".