18301145422 has 32 divisors (see below), whose sum is σ = 33365323008. Its totient is φ = 7349433216.

The previous prime is 18301145351. The next prime is 18301145459. The reversal of 18301145422 is 22454110381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115348 + ... + 223399.

It is an arithmetic number, because the mean of its divisors is an integer number (1042666344).

Almost surely, 2^18301145422 is an apocalyptic number.

18301145422 is a deficient number, since it is larger than the sum of its proper divisors (15064177586).

18301145422 is a wasteful number, since it uses less digits than its factorization.

18301145422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339000.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 18301145422 in words is "eighteen billion, three hundred one million, one hundred forty-five thousand, four hundred twenty-two".