1226366664 has 32 divisors (see below), whose sum is σ = 3070224000. Its totient is φ = 408214592.

The previous prime is 1226366663. The next prime is 1226366681. The reversal of 1226366664 is 4666636221.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1226366663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18279 + ... + 52790.

It is an arithmetic number, because the mean of its divisors is an integer number (95944500).

Almost surely, 2^1226366664 is an apocalyptic number.

It is an amenable number.

1226366664 is an abundant number, since it is smaller than the sum of its proper divisors (1843857336).

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

1226366664 is a wasteful number, since it uses less digits than its factorization.

1226366664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71797 (or 71793 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

The square root of 1226366664 is about 35019.5183290690. The cubic root of 1226366664 is about 1070.3852410820.

The spelling of 1226366664 in words is "one billion, two hundred twenty-six million, three hundred sixty-six thousand, six hundred sixty-four".