1225456292 has 12 divisors (see below), whose sum is σ = 2145155376. Its totient is φ = 612554760.

The previous prime is 1225456291. The next prime is 1225456303. The reversal of 1225456292 is 2926545221.

It is not an unprimeable number, because it can be changed into a prime (1225456291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26738 + ... + 56265.

It is an arithmetic number, because the mean of its divisors is an integer number (178762948).

Almost surely, 2^1225456292 is an apocalyptic number.

It is an amenable number.

1225456292 is a deficient number, since it is larger than the sum of its proper divisors (919699084).

1225456292 is a wasteful number, since it uses less digits than its factorization.

1225456292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86698 (or 86696 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 1225456292 is about 35006.5178502518. The cubic root of 1225456292 is about 1070.1203148838.

The spelling of 1225456292 in words is "one billion, two hundred twenty-five million, four hundred fifty-six thousand, two hundred ninety-two".