264221116 has 24 divisors (see below), whose sum is σ = 472374000. Its totient is φ = 129277824.

The previous prime is 264221101. The next prime is 264221119. The reversal of 264221116 is 611122462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51600 + ... + 56488.

It is an arithmetic number, because the mean of its divisors is an integer number (19682250).

Almost surely, 2^264221116 is an apocalyptic number.

It is an amenable number.

264221116 is a deficient number, since it is larger than the sum of its proper divisors (208152884).

264221116 is a wasteful number, since it uses less digits than its factorization.

264221116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181 (or 5179 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 264221116 is about 16254.8797596291. The cubic root of 264221116 is about 641.6859163131.

Adding to 264221116 its reverse (611122462), we get a palindrome (875343578).

The spelling of 264221116 in words is "two hundred sixty-four million, two hundred twenty-one thousand, one hundred sixteen".