1226653116 has 24 divisors (see below), whose sum is σ = 3082359504. Its totient is φ = 377431680.

The previous prime is 1226653097. The next prime is 1226653117. The reversal of 1226653116 is 6113566221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226653117) 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 7 ways as a sum of consecutive naturals, for example, 3931425 + ... + 3931736.

It is an arithmetic number, because the mean of its divisors is an integer number (128431646).

Almost surely, 2^1226653116 is an apocalyptic number.

It is an amenable number.

1226653116 is an abundant number, since it is smaller than the sum of its proper divisors (1855706388).

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

1226653116 is a wasteful number, since it uses less digits than its factorization.

1226653116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863181 (or 7863179 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1226653116 is about 35023.6079809034. The cubic root of 1226653116 is about 1070.4685739961.

The spelling of 1226653116 in words is "one billion, two hundred twenty-six million, six hundred fifty-three thousand, one hundred sixteen".