1222211232210 has 32 divisors (see below), whose sum is σ = 2948196854592. Its totient is φ = 324268562240.

The previous prime is 1222211232191. The next prime is 1222211232223. The reversal of 1222211232210 is 122321122221.

It is a super-2 number, since 2×1222211232210² (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, 103396056 + ... + 103407875.

It is an arithmetic number, because the mean of its divisors is an integer number (92131151706).

Almost surely, 2^{1222211232210} is an apocalyptic number.

1222211232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222211232210 is an abundant number, since it is smaller than the sum of its proper divisors (1725985622382).

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

1222211232210 is a wasteful number, since it uses less digits than its factorization.

1222211232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206804138.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1222211232210 its reverse (122321122221), we get a palindrome (1344532354431).

The spelling of 1222211232210 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, two hundred thirty-two thousand, two hundred ten".