1225946910 has 16 divisors (see below), whose sum is σ = 2942272656. Its totient is φ = 326919168.

The previous prime is 1225946893. The next prime is 1225946921. The reversal of 1225946910 is 196495221.

1225946910 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1225946910² = 3005891652277096200, which contains 22 as substring.

It is a congruent number.

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, 20432419 + ... + 20432478.

It is an arithmetic number, because the mean of its divisors is an integer number (183892041).

Almost surely, 2^1225946910 is an apocalyptic number.

1225946910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225946910 is an abundant number, since it is smaller than the sum of its proper divisors (1716325746).

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

1225946910 is a wasteful number, since it uses less digits than its factorization.

1225946910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40864907.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1225946910 is about 35013.5246726176. The cubic root of 1225946910 is about 1070.2631052993.

The spelling of 1225946910 in words is "one billion, two hundred twenty-five million, nine hundred forty-six thousand, nine hundred ten".