1153022225 has 24 divisors (see below), whose sum is σ = 1454028960. Its totient is φ = 906837120.

The previous prime is 1153022209. The next prime is 1153022243. The reversal of 1153022225 is 5222203511.

It is not a de Polignac number, because 1153022225 - 2⁴ = 1153022209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153022225.

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, 690842 + ... + 692508.

It is an arithmetic number, because the mean of its divisors is an integer number (60584540).

Almost surely, 2^1153022225 is an apocalyptic number.

It is an amenable number.

1153022225 is a deficient number, since it is larger than the sum of its proper divisors (301006735).

1153022225 is a wasteful number, since it uses less digits than its factorization.

1153022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2124 counting only the distinct ones).

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

The square root of 1153022225 is about 33956.1809542828. The cubic root of 1153022225 is about 1048.6065339988.

Adding to 1153022225 its reverse (5222203511), we get a palindrome (6375225736).

The spelling of 1153022225 in words is "one billion, one hundred fifty-three million, twenty-two thousand, two hundred twenty-five".