1226678672 has 40 divisors (see below), whose sum is σ = 2442989472. Its totient is φ = 596332800.

The previous prime is 1226678647. The next prime is 1226678681. The reversal of 1226678672 is 2768766221.

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, 198347 + ... + 204437.

Almost surely, 2^1226678672 is an apocalyptic number.

It is an amenable number.

1226678672 is a deficient number, since it is larger than the sum of its proper divisors (1216310800).

1226678672 is a wasteful number, since it uses less digits than its factorization.

1226678672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6441 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 1226678672 is about 35023.9728186281. The cubic root of 1226678672 is about 1070.4760079654.

The spelling of 1226678672 in words is "one billion, two hundred twenty-six million, six hundred seventy-eight thousand, six hundred seventy-two".