122223100 has 18 divisors (see below), whose sum is σ = 265224344. Its totient is φ = 48889200.

The previous prime is 122223089. The next prime is 122223113. The reversal of 122223100 is 1322221.

It is a super-2 number, since 2×122223100² = 29876972347220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611016 + ... + 611215.

Almost surely, 2^122223100 is an apocalyptic number.

122223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122223100 is an abundant number, since it is smaller than the sum of its proper divisors (143001244).

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

122223100 is a wasteful number, since it uses less digits than its factorization.

122223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222245 (or 1222238 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122223100 is about 11055.4556667738. The cubic root of 122223100 is about 496.2697056852.

Adding to 122223100 its reverse (1322221), we get a palindrome (123545321).

The spelling of 122223100 in words is "one hundred twenty-two million, two hundred twenty-three thousand, one hundred".