1225274632 has 32 divisors (see below), whose sum is σ = 2352032280. Its totient is φ = 598233600.

The previous prime is 1225274599. The next prime is 1225274663. The reversal of 1225274632 is 2364725221.

It can be written as a sum of positive squares in 4 ways, for example, as 1176078436 + 49196196 = 34294^2 + 7014^2 .

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, 48598 + ... + 69370.

Almost surely, 2^1225274632 is an apocalyptic number.

It is an amenable number.

1225274632 is a deficient number, since it is larger than the sum of its proper divisors (1126757648).

1225274632 is a wasteful number, since it uses less digits than its factorization.

1225274632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20953 (or 20949 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 1225274632 is about 35003.9230944190. The cubic root of 1225274632 is about 1070.0674345365.

Adding to 1225274632 its reverse (2364725221), we get a palindrome (3589999853).

The spelling of 1225274632 in words is "one billion, two hundred twenty-five million, two hundred seventy-four thousand, six hundred thirty-two".