854243222342458 has 64 divisors (see below), whose sum is σ = 1443687133593600. Its totient is φ = 376459931980800.

The previous prime is 854243222342413. The next prime is 854243222342467.

It is a happy number.

854243222342458 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×854243222342458² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5343248263 + ... + 5343408133.

It is an arithmetic number, because the mean of its divisors is an integer number (22557611462400).

Almost surely, 2^{854243222342458} is an apocalyptic number.

854243222342458 is a deficient number, since it is larger than the sum of its proper divisors (589443911251142).

854243222342458 is a wasteful number, since it uses less digits than its factorization.

854243222342458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266623.

The product of its digits is 117964800, while the sum is 58.

The spelling of 854243222342458 in words is "eight hundred fifty-four trillion, two hundred forty-three billion, two hundred twenty-two million, three hundred forty-two thousand, four hundred fifty-eight".