1222214220220 has 24 divisors (see below), whose sum is σ = 2933314128864. Its totient is φ = 419044875456.

The previous prime is 1222214220209. The next prime is 1222214220233. The reversal of 1222214220220 is 220224122221.

It is a junction number, because it is equal to n+sod(n) for n = 1222214220191 and 1222214220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365050647 + ... + 4365050926.

It is an arithmetic number, because the mean of its divisors is an integer number (122221422036).

Almost surely, 2^{1222214220220} is an apocalyptic number.

1222214220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222214220220 is an abundant number, since it is smaller than the sum of its proper divisors (1711099908644).

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

1222214220220 is a wasteful number, since it uses less digits than its factorization.

1222214220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730101589 (or 8730101587 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1222214220220 its reverse (220224122221), we get a palindrome (1442438342441).

The spelling of 1222214220220 in words is "one trillion, two hundred twenty-two billion, two hundred fourteen million, two hundred twenty thousand, two hundred twenty".