1226833872 has 40 divisors (see below), whose sum is σ = 3457442400. Its totient is φ = 371767680.

The previous prime is 1226833841. The next prime is 1226833889. The reversal of 1226833872 is 2783386221.

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 7 ways as a sum of consecutive naturals, for example, 1161247 + ... + 1162302.

It is an arithmetic number, because the mean of its divisors is an integer number (86436060).

Almost surely, 2^1226833872 is an apocalyptic number.

1226833872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226833872 is an abundant number, since it is smaller than the sum of its proper divisors (2230608528).

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

1226833872 is a wasteful number, since it uses less digits than its factorization.

1226833872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323571 (or 2323565 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 1226833872 is about 35026.1883738439. The cubic root of 1226833872 is about 1070.5211517818.

The spelling of 1226833872 in words is "one billion, two hundred twenty-six million, eight hundred thirty-three thousand, eight hundred seventy-two".