8222417904 has 20 divisors (see below), whose sum is σ = 21241246376. Its totient is φ = 2740805952.

The previous prime is 8222417899. The next prime is 8222417909. The reversal of 8222417904 is 4097142228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8222417899) and next prime (8222417909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222417909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85650139 + ... + 85650234.

Almost surely, 2^8222417904 is an apocalyptic number.

It is an amenable number.

8222417904 is an abundant number, since it is smaller than the sum of its proper divisors (13018828472).

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

8222417904 is a wasteful number, since it uses less digits than its factorization.

8222417904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171300384 (or 171300378 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 8222417904 is about 90677.5490625987. The cubic root of 8222417904 is about 2018.3656603687.

It can be divided in two parts, 82224 and 17904, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 8222417904 in words is "eight billion, two hundred twenty-two million, four hundred seventeen thousand, nine hundred four".