1151222264 has 32 divisors (see below), whose sum is σ = 2200401840. Its totient is φ = 564537600.

The previous prime is 1151222263. The next prime is 1151222279. The reversal of 1151222264 is 4622221511.

It is a super-2 number, since 2×1151222264² = 2650625402258571392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151222263) 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, 100259 + ... + 111149.

Almost surely, 2^1151222264 is an apocalyptic number.

It is an amenable number.

1151222264 is a deficient number, since it is larger than the sum of its proper divisors (1049179576).

1151222264 is a wasteful number, since it uses less digits than its factorization.

1151222264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151 (or 11147 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1151222264 is about 33929.6664292474. Note that the first 3 decimals coincide. The cubic root of 1151222264 is about 1048.0605965972.

Adding to 1151222264 its reverse (4622221511), we get a palindrome (5773443775).

The spelling of 1151222264 in words is "one billion, one hundred fifty-one million, two hundred twenty-two thousand, two hundred sixty-four".