8219492208 has 30 divisors (see below), whose sum is σ = 23003162624. Its totient is φ = 2739830688.

The previous prime is 8219492167. The next prime is 8219492249. The reversal of 8219492208 is 8022949128.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8219492167) and next prime (8219492249).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28539760 + ... + 28540047.

Almost surely, 2^8219492208 is an apocalyptic number.

It is an amenable number.

8219492208 is an abundant number, since it is smaller than the sum of its proper divisors (14783670416).

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

8219492208 is a wasteful number, since it uses less digits than its factorization.

8219492208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57079821 (or 57079812 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8219492208 is about 90661.4152106617. The cubic root of 8219492208 is about 2018.1262407344.

The spelling of 8219492208 in words is "eight billion, two hundred nineteen million, four hundred ninety-two thousand, two hundred eight".