1226385868 has 24 divisors (see below), whose sum is σ = 2245782672. Its totient is φ = 585359424.

The previous prime is 1226385833. The next prime is 1226385871. The reversal of 1226385868 is 8685836221.

It is a super-2 number, since 2×1226385868² = 3008044594460226848, which contains 22 as substring.

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, 70330 + ... + 86017.

It is an arithmetic number, because the mean of its divisors is an integer number (93574278).

Almost surely, 2^1226385868 is an apocalyptic number.

It is an amenable number.

1226385868 is a deficient number, since it is larger than the sum of its proper divisors (1019396804).

1226385868 is a wasteful number, since it uses less digits than its factorization.

1226385868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156441 (or 156439 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 1226385868 is about 35019.7925179462. The cubic root of 1226385868 is about 1070.3908282014.

The spelling of 1226385868 in words is "one billion, two hundred twenty-six million, three hundred eighty-five thousand, eight hundred sixty-eight".