15421430822 has 24 divisors (see below), whose sum is σ = 26934654600. Its totient is φ = 6602840160.

The previous prime is 15421430771. The next prime is 15421430837. The reversal of 15421430822 is 22803412451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27797 + ... + 177807.

It is an arithmetic number, because the mean of its divisors is an integer number (1122277275).

Almost surely, 2^15421430822 is an apocalyptic number.

15421430822 is a deficient number, since it is larger than the sum of its proper divisors (11513223778).

15421430822 is a wasteful number, since it uses less digits than its factorization.

15421430822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151076 (or 151069 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 15421430822 in words is "fifteen billion, four hundred twenty-one million, four hundred thirty thousand, eight hundred twenty-two".