222115511222 has 48 divisors (see below), whose sum is σ = 374981757696. Its totient is φ = 98572412400.

The previous prime is 222115511183. The next prime is 222115511237.

222115511222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222115511191 and 222115511200.

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, 1706993 + ... + 1832499.

It is an arithmetic number, because the mean of its divisors is an integer number (7812119952).

Almost surely, 2^222115511222 is an apocalyptic number.

222115511222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222115511222 is a deficient number, since it is larger than the sum of its proper divisors (152866246474).

222115511222 is a wasteful number, since it uses less digits than its factorization.

222115511222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125705 (or 125694 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

It can be divided in two parts, 222115 and 511222, that added together give a palindrome (733337).

The spelling of 222115511222 in words is "two hundred twenty-two billion, one hundred fifteen million, five hundred eleven thousand, two hundred twenty-two".