228157424751822 has 16 divisors (see below), whose sum is σ = 456338827181952. Its totient is φ = 76048478637560.

The previous prime is 228157424751821. The next prime is 228157424751827.

228157424751822 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228157424751821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998946228 + ... + 999174599.

It is an arithmetic number, because the mean of its divisors is an integer number (28521176698872).

Almost surely, 2^{228157424751822} is an apocalyptic number.

228157424751822 is an abundant number, since it is smaller than the sum of its proper divisors (228181402430130).

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

228157424751822 is a wasteful number, since it uses less digits than its factorization.

228157424751822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998139863.

The product of its digits is 40140800, while the sum is 60.

The spelling of 228157424751822 in words is "two hundred twenty-eight trillion, one hundred fifty-seven billion, four hundred twenty-four million, seven hundred fifty-one thousand, eight hundred twenty-two".