1226888316 has 24 divisors (see below), whose sum is σ = 3180821840. Its totient is φ = 408962736.

The previous prime is 1226888279. The next prime is 1226888357. The reversal of 1226888316 is 6138886221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679931 + ... + 5680146.

Almost surely, 2^1226888316 is an apocalyptic number.

It is an amenable number.

1226888316 is an abundant number, since it is smaller than the sum of its proper divisors (1953933524).

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

1226888316 is a wasteful number, since it uses less digits than its factorization.

1226888316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360090 (or 11360082 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1226888316 is about 35026.9655551262. The cubic root of 1226888316 is about 1070.5369872840.

The spelling of 1226888316 in words is "one billion, two hundred twenty-six million, eight hundred eighty-eight thousand, three hundred sixteen".