804222646 has 16 divisors (see below), whose sum is σ = 1299391488. Its totient is φ = 372220200.

The previous prime is 804222631. The next prime is 804222649. The reversal of 804222646 is 646222408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804222649) 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, 280560 + ... + 283411.

It is an arithmetic number, because the mean of its divisors is an integer number (81211968).

Almost surely, 2^804222646 is an apocalyptic number.

804222646 is a deficient number, since it is larger than the sum of its proper divisors (495168842).

804222646 is a wasteful number, since it uses less digits than its factorization.

804222646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564027.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 804222646 is about 28358.8195452491. The cubic root of 804222646 is about 929.9482169495.

The spelling of 804222646 in words is "eight hundred four million, two hundred twenty-two thousand, six hundred forty-six".