1000000223222 has 128 divisors (see below), whose sum is σ = 2114538531840. Its totient is φ = 342055042560.

The previous prime is 1000000223219. The next prime is 1000000223237. The reversal of 1000000223222 is 2223220000001.

It is a super-2 number, since 2×1000000223222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1000000223197 and 1000000223206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3761348 + ... + 4018424.

It is an arithmetic number, because the mean of its divisors is an integer number (16519832280).

Almost surely, 2^{1000000223222} is an apocalyptic number.

1000000223222 is an abundant number, since it is smaller than the sum of its proper divisors (1114538308618).

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

1000000223222 is a wasteful number, since it uses less digits than its factorization.

1000000223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257206.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 1000000223222 its reverse (2223220000001), we get a palindrome (3223220223223).

The spelling of 1000000223222 in words is "one trillion, two hundred twenty-three thousand, two hundred twenty-two".