1222414140 has 48 divisors (see below), whose sum is σ = 3515272992. Its totient is φ = 317166336.

The previous prime is 1222414133. The next prime is 1222414159. The reversal of 1222414140 is 414142221.

It is a congruent number.

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, 273099 + ... + 277538.

It is an arithmetic number, because the mean of its divisors is an integer number (73234854).

Almost surely, 2^1222414140 is an apocalyptic number.

1222414140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222414140 is an abundant number, since it is smaller than the sum of its proper divisors (2292858852).

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

1222414140 is a wasteful number, since it uses less digits than its factorization.

1222414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550686 (or 550684 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1222414140 is about 34963.0396275839. The cubic root of 1222414140 is about 1069.2340691480.

Adding to 1222414140 its reverse (414142221), we get a palindrome (1636556361).

The spelling of 1222414140 in words is "one billion, two hundred twenty-two million, four hundred fourteen thousand, one hundred forty".