228153351822 has 64 divisors (see below), whose sum is σ = 511350914304. Its totient is φ = 67254589440.

The previous prime is 228153351799. The next prime is 228153351841.

228153351822 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×228153351822² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 19219933 + ... + 19231799.

It is an arithmetic number, because the mean of its divisors is an integer number (7989858036).

Almost surely, 2^228153351822 is an apocalyptic number.

228153351822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228153351822 is an abundant number, since it is smaller than the sum of its proper divisors (283197562482).

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

228153351822 is a wasteful number, since it uses less digits than its factorization.

228153351822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793.

The product of its digits is 230400, while the sum is 42.

It can be divided in two parts, 228153 and 351822, that added together give a palindrome (579975).

The spelling of 228153351822 in words is "two hundred twenty-eight billion, one hundred fifty-three million, three hundred fifty-one thousand, eight hundred twenty-two".