1264360228 has 12 divisors (see below), whose sum is σ = 2221813132. Its totient is φ = 629556480.

The previous prime is 1264360213. The next prime is 1264360243. The reversal of 1264360228 is 8220634621.

It is an interprime number because it is at equal distance from previous prime (1264360213) and next prime (1264360243).

It can be written as a sum of positive squares in 2 ways, for example, as 799871524 + 464488704 = 28282^2 + 21552^2 .

It is a super-2 number, since 2×1264360228² = 3197213572296423968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1264360193 and 1264360202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654825 + ... + 656752.

Almost surely, 2^1264360228 is an apocalyptic number.

It is an amenable number.

1264360228 is a deficient number, since it is larger than the sum of its proper divisors (957452904).

1264360228 is a wasteful number, since it uses less digits than its factorization.

1264360228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311822 (or 1311820 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1264360228 is about 35557.8434104207. The cubic root of 1264360228 is about 1081.3267382559.

Adding to 1264360228 its reverse (8220634621), we get a palindrome (9484994849).

The spelling of 1264360228 in words is "one billion, two hundred sixty-four million, three hundred sixty thousand, two hundred twenty-eight".