1226663276 has 24 divisors (see below), whose sum is σ = 2158611840. Its totient is φ = 609927552.

The previous prime is 1226663267. The next prime is 1226663299. The reversal of 1226663276 is 6723666221.

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, 696485 + ... + 698243.

It is an arithmetic number, because the mean of its divisors is an integer number (89942160).

Almost surely, 2^1226663276 is an apocalyptic number.

It is an amenable number.

1226663276 is a deficient number, since it is larger than the sum of its proper divisors (931948564).

1226663276 is a wasteful number, since it uses less digits than its factorization.

1226663276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 2631 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 1226663276 is about 35023.7530256253. The cubic root of 1226663276 is about 1070.4715294447.

The spelling of 1226663276 in words is "one billion, two hundred twenty-six million, six hundred sixty-three thousand, two hundred seventy-six".