1226866396 has 24 divisors (see below), whose sum is σ = 2454480000. Its totient is φ = 525639792.

The previous prime is 1226866273. The next prime is 1226866457. The reversal of 1226866396 is 6936686221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159855 + ... + 167353.

It is an arithmetic number, because the mean of its divisors is an integer number (102270000).

Almost surely, 2^1226866396 is an apocalyptic number.

It is an amenable number.

1226866396 is an abundant number, since it is smaller than the sum of its proper divisors (1227613604).

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

1226866396 is a wasteful number, since it uses less digits than its factorization.

1226866396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13353 (or 13351 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 1226866396 is about 35026.6526519449. The cubic root of 1226866396 is about 1070.5306117212.

The spelling of 1226866396 in words is "one billion, two hundred twenty-six million, eight hundred sixty-six thousand, three hundred ninety-six".