222310044 has 36 divisors (see below), whose sum is σ = 613037880. Its totient is φ = 67366560.

The previous prime is 222310009. The next prime is 222310069. The reversal of 222310044 is 440013222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222309999 and 222310026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280299 + ... + 281090.

It is an arithmetic number, because the mean of its divisors is an integer number (17028830).

Almost surely, 2^222310044 is an apocalyptic number.

It is an amenable number.

222310044 is an abundant number, since it is smaller than the sum of its proper divisors (390727836).

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

222310044 is a wasteful number, since it uses less digits than its factorization.

222310044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561410 (or 561405 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222310044 is about 14910.0651910044. The cubic root of 222310044 is about 605.7866451490.

Adding to 222310044 its reverse (440013222), we get a palindrome (662323266).

The spelling of 222310044 in words is "two hundred twenty-two million, three hundred ten thousand, forty-four".