1152422644 has 12 divisors (see below), whose sum is σ = 2081795968. Its totient is φ = 557623800.

The previous prime is 1152422627. The next prime is 1152422653. The reversal of 1152422644 is 4462242511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4646742 + ... + 4646989.

Almost surely, 2^1152422644 is an apocalyptic number.

It is an amenable number.

1152422644 is a deficient number, since it is larger than the sum of its proper divisors (929373324).

1152422644 is a wasteful number, since it uses less digits than its factorization.

1152422644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293766 (or 9293764 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 1152422644 is about 33947.3510601343. The cubic root of 1152422644 is about 1048.4247411554.

The spelling of 1152422644 in words is "one billion, one hundred fifty-two million, four hundred twenty-two thousand, six hundred forty-four".