10223666244 has 144 divisors (see below), whose sum is σ = 31149256320. Its totient is φ = 2789022720.

The previous prime is 10223666171. The next prime is 10223666291. The reversal of 10223666244 is 44266632201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10223666199 and 10223666208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121822 + ... + 187850.

It is an arithmetic number, because the mean of its divisors is an integer number (216314280).

Almost surely, 2^10223666244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10223666244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15574628160).

10223666244 is an abundant number, since it is smaller than the sum of its proper divisors (20925590076).

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

10223666244 is a wasteful number, since it uses less digits than its factorization.

10223666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66090 (or 66085 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 10223666244 in words is "ten billion, two hundred twenty-three million, six hundred sixty-six thousand, two hundred forty-four".