223400122 has 12 divisors (see below), whose sum is σ = 368333658. Its totient is φ = 101545400.

The previous prime is 223400113. The next prime is 223400123. The reversal of 223400122 is 221004322.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 6456681 = 14729^2 + 2541^2 .

It is a super-2 number, since 2×223400122² = 99815229019229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223400096 and 223400105.

It is not an unprimeable number, because it can be changed into a prime (223400123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461329 + ... + 461812.

Almost surely, 2^223400122 is an apocalyptic number.

223400122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223400122 is a deficient number, since it is larger than the sum of its proper divisors (144933536).

223400122 is a wasteful number, since it uses less digits than its factorization.

223400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923165 (or 923154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 223400122 is about 14946.5755944296. The cubic root of 223400122 is about 606.7751719271.

Adding to 223400122 its reverse (221004322), we get a palindrome (444404444).

The spelling of 223400122 in words is "two hundred twenty-three million, four hundred thousand, one hundred twenty-two".