801221366 has 8 divisors (see below), whose sum is σ = 1311089544. Its totient is φ = 364191520.

The previous prime is 801221359. The next prime is 801221371. The reversal of 801221366 is 663122108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18209555 + ... + 18209598.

It is an arithmetic number, because the mean of its divisors is an integer number (163886193).

Almost surely, 2^801221366 is an apocalyptic number.

801221366 is a deficient number, since it is larger than the sum of its proper divisors (509868178).

801221366 is a wasteful number, since it uses less digits than its factorization.

801221366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36419166.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 801221366 is about 28305.8539175203. The cubic root of 801221366 is about 928.7899497412.

The spelling of 801221366 in words is "eight hundred one million, two hundred twenty-one thousand, three hundred sixty-six".