1222231112210 has 32 divisors (see below), whose sum is σ = 2241062478000. Its totient is φ = 479806709760.

The previous prime is 1222231112191. The next prime is 1222231112227. The reversal of 1222231112210 is 122111322221.

It can be written as a sum of positive squares in 8 ways, for example, as 10648795249 + 1211582316961 = 103193^2 + 1100719^2 .

It is a super-2 number, since 2×1222231112210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957355 + ... + 2505134.

Almost surely, 2^{1222231112210} is an apocalyptic number.

1222231112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222231112210 is a deficient number, since it is larger than the sum of its proper divisors (1018831365790).

1222231112210 is a wasteful number, since it uses less digits than its factorization.

1222231112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463006.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1222231112210 its reverse (122111322221), we get a palindrome (1344342434431).

The spelling of 1222231112210 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred ten".