1152220325 has 24 divisors (see below), whose sum is σ = 1515513120. Its totient is φ = 866548800.

The previous prime is 1152220319. The next prime is 1152220337. The reversal of 1152220325 is 5230222511.

It is not a de Polignac number, because 1152220325 - 2²² = 1148026021 is a prime.

It is a super-2 number, since 2×1152220325² = 2655223354686211250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1152220325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52967 + ... + 71483.

It is an arithmetic number, because the mean of its divisors is an integer number (63146380).

Almost surely, 2^1152220325 is an apocalyptic number.

It is an amenable number.

1152220325 is a deficient number, since it is larger than the sum of its proper divisors (363292795).

1152220325 is a wasteful number, since it uses less digits than its factorization.

1152220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18672 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1152220325 is about 33944.3710355635. The cubic root of 1152220325 is about 1048.3633838457.

Adding to 1152220325 its reverse (5230222511), we get a palindrome (6382442836).

The spelling of 1152220325 in words is "one billion, one hundred fifty-two million, two hundred twenty thousand, three hundred twenty-five".