9903226556 has 12 divisors (see below), whose sum is σ = 17699383968. Its totient is φ = 4846259712.

The previous prime is 9903226537. The next prime is 9903226583. The reversal of 9903226556 is 6556223099.

It is a happy number.

It is a super-2 number, since 2×9903226556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 9903226556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26338181 + ... + 26338556.

It is an arithmetic number, because the mean of its divisors is an integer number (1474948664).

Almost surely, 2^9903226556 is an apocalyptic number.

It is an amenable number.

9903226556 is a deficient number, since it is larger than the sum of its proper divisors (7796157412).

9903226556 is a wasteful number, since it uses less digits than its factorization.

9903226556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52676788 (or 52676786 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 47.

The square root of 9903226556 is about 99514.9564437427. The cubic root of 9903226556 is about 2147.4624148988.

The spelling of 9903226556 in words is "nine billion, nine hundred three million, two hundred twenty-six thousand, five hundred fifty-six".