1225616332 has 12 divisors (see below), whose sum is σ = 2145528000. Its totient is φ = 612608336.

The previous prime is 1225616323. The next prime is 1225616347. The reversal of 1225616332 is 2336165221.

It is a happy number.

It is a super-3 number, since 3×1225616332³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225616294 and 1225616303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35707 + ... + 61042.

It is an arithmetic number, because the mean of its divisors is an integer number (178794000).

Almost surely, 2^1225616332 is an apocalyptic number.

It is an amenable number.

1225616332 is a deficient number, since it is larger than the sum of its proper divisors (919911668).

1225616332 is a wasteful number, since it uses less digits than its factorization.

1225616332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99920 (or 99918 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1225616332 is about 35008.8036356571. The cubic root of 1225616332 is about 1070.1668974238.

The spelling of 1225616332 in words is "one billion, two hundred twenty-five million, six hundred sixteen thousand, three hundred thirty-two".