1226749896 has 192 divisors, whose sum is σ = 3690086400. Its totient is φ = 366436224.

The previous prime is 1226749871. The next prime is 1226749907. The reversal of 1226749896 is 6989476221.

1226749896 is a `hidden beast` number, since 1 + 2 + 2 + 67 + 498 + 96 = 666.

1226749896 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3995775 + ... + 3996081.

It is an arithmetic number, because the mean of its divisors is an integer number (19219200).

Almost surely, 2^1226749896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226749896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845043200).

1226749896 is an abundant number, since it is smaller than the sum of its proper divisors (2463336504).

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

1226749896 is a wasteful number, since it uses less digits than its factorization.

1226749896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 481 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 1226749896 is about 35024.9895931462. The cubic root of 1226749896 is about 1070.4967257267.

The spelling of 1226749896 in words is "one billion, two hundred twenty-six million, seven hundred forty-nine thousand, eight hundred ninety-six".