8422421454 has 48 divisors (see below), whose sum is σ = 19197874800. Its totient is φ = 2664711168.

The previous prime is 8422421443. The next prime is 8422421467. The reversal of 8422421454 is 4541242248.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105939 + ... + 167534.

It is an arithmetic number, because the mean of its divisors is an integer number (399955725).

Almost surely, 2^8422421454 is an apocalyptic number.

8422421454 is an abundant number, since it is smaller than the sum of its proper divisors (10775453346).

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

8422421454 is a wasteful number, since it uses less digits than its factorization.

8422421454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273569 (or 273566 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

The square root of 8422421454 is about 91773.7514434274. The cubic root of 8422421454 is about 2034.5997642495.

The spelling of 8422421454 in words is "eight billion, four hundred twenty-two million, four hundred twenty-one thousand, four hundred fifty-four".