223444212102 has 24 divisors (see below), whose sum is σ = 484192308600. Its totient is φ = 74471683680.

The previous prime is 223444212097. The next prime is 223444212107. The reversal of 223444212102 is 201212444322.

It is a happy number.

223444212102 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 442 + 1 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (223444212097) and next prime (223444212107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444212107) 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 11 ways as a sum of consecutive naturals, for example, 667599 + ... + 944762.

It is an arithmetic number, because the mean of its divisors is an integer number (20174679525).

Almost surely, 2^223444212102 is an apocalyptic number.

223444212102 is an abundant number, since it is smaller than the sum of its proper divisors (260748096498).

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

223444212102 is a wasteful number, since it uses less digits than its factorization.

223444212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620068 (or 1620065 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 223444212102 its reverse (201212444322), we get a palindrome (424656656424).

The spelling of 223444212102 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred twelve thousand, one hundred two".