1226902806 has 24 divisors (see below), whose sum is σ = 2658945744. Its totient is φ = 408866640.

The previous prime is 1226902769. The next prime is 1226902843. The reversal of 1226902806 is 6082096221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1226902769) and next prime (1226902843).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117220 + ... + 127256.

It is an arithmetic number, because the mean of its divisors is an integer number (110789406).

Almost surely, 2^1226902806 is an apocalyptic number.

1226902806 is an abundant number, since it is smaller than the sum of its proper divisors (1432042938).

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

1226902806 is a wasteful number, since it uses less digits than its factorization.

1226902806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836 (or 16833 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1226902806 is about 35027.1723951563. The cubic root of 1226902806 is about 1070.5412017453.

The spelling of 1226902806 in words is "one billion, two hundred twenty-six million, nine hundred two thousand, eight hundred six".