222313400344 has 32 divisors (see below), whose sum is σ = 477241195680. Its totient is φ = 95106104064.

The previous prime is 222313400317. The next prime is 222313400381. The reversal of 222313400344 is 443004313222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532437 + ... + 3594820.

It is an arithmetic number, because the mean of its divisors is an integer number (14913787365).

Almost surely, 2^222313400344 is an apocalyptic number.

It is an amenable number.

222313400344 is an abundant number, since it is smaller than the sum of its proper divisors (254927795336).

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

222313400344 is a wasteful number, since it uses less digits than its factorization.

222313400344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127827 (or 7127823 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 222313400344 its reverse (443004313222), we get a palindrome (665317713566).

The spelling of 222313400344 in words is "two hundred twenty-two billion, three hundred thirteen million, four hundred thousand, three hundred forty-four".