1225251708 has 48 divisors (see below), whose sum is σ = 3082813440. Its totient is φ = 377481600.

The previous prime is 1225251701. The next prime is 1225251733. The reversal of 1225251708 is 8071525221.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225251701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56188 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (64225280).

Almost surely, 2^1225251708 is an apocalyptic number.

It is an amenable number.

1225251708 is an abundant number, since it is smaller than the sum of its proper divisors (1857561732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225251708 is a wasteful number, since it uses less digits than its factorization.

1225251708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131138 (or 131136 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1225251708 is about 35003.5956438764. The cubic root of 1225251708 is about 1070.0607610996.

Adding to 1225251708 its reverse (8071525221), we get a palindrome (9296776929).

The spelling of 1225251708 in words is "one billion, two hundred twenty-five million, two hundred fifty-one thousand, seven hundred eight".