1225365886 has 8 divisors (see below), whose sum is σ = 1856998080. Its totient is φ = 606366528.

The previous prime is 1225365877. The next prime is 1225365887. The reversal of 1225365886 is 6885635221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225365887) 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, 3157966 + ... + 3158353.

It is an arithmetic number, because the mean of its divisors is an integer number (232124760).

Almost surely, 2^1225365886 is an apocalyptic number.

1225365886 is a deficient number, since it is larger than the sum of its proper divisors (631632194).

1225365886 is an equidigital number, since it uses as much as digits as its factorization.

1225365886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316418.

The product of its digits is 691200, while the sum is 46.

The square root of 1225365886 is about 35005.2265526164. The cubic root of 1225365886 is about 1070.0939987878.

The spelling of 1225365886 in words is "one billion, two hundred twenty-five million, three hundred sixty-five thousand, eight hundred eighty-six".