1225610632 has 32 divisors (see below), whose sum is σ = 2337570720. Its totient is φ = 602300160.

The previous prime is 1225610611. The next prime is 1225610647. The reversal of 1225610632 is 2360165221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225610632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260848 + ... + 265504.

It is an arithmetic number, because the mean of its divisors is an integer number (73049085).

Almost surely, 2^1225610632 is an apocalyptic number.

It is an amenable number.

1225610632 is a deficient number, since it is larger than the sum of its proper divisors (1111960088).

1225610632 is a wasteful number, since it uses less digits than its factorization.

1225610632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5217 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1225610632 is about 35008.7222274678. The cubic root of 1225610632 is about 1070.1652384053.

Adding to 1225610632 its reverse (2360165221), we get a palindrome (3585775853).

The spelling of 1225610632 in words is "one billion, two hundred twenty-five million, six hundred ten thousand, six hundred thirty-two".