222221201310 has 48 divisors (see below), whose sum is σ = 577798513344. Its totient is φ = 59256588096.

The previous prime is 222221201309. The next prime is 222221201327. The reversal of 222221201310 is 13102122222.

It is a super-2 number, since 2×222221201310² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3988404 + ... + 4043736.

It is an arithmetic number, because the mean of its divisors is an integer number (12037469028).

Almost surely, 2^222221201310 is an apocalyptic number.

222221201310 is an abundant number, since it is smaller than the sum of its proper divisors (355577312034).

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

222221201310 is a wasteful number, since it uses less digits than its factorization.

222221201310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99969 (or 99966 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222221201310 its reverse (13102122222), we get a palindrome (235323323532).

The spelling of 222221201310 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, three hundred ten".