1222040244 has 12 divisors (see below), whose sum is σ = 2851427264. Its totient is φ = 407346744.

The previous prime is 1222040227. The next prime is 1222040249. The reversal of 1222040244 is 4420402221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1222040244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222040249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50918332 + ... + 50918355.

Almost surely, 2^1222040244 is an apocalyptic number.

It is an amenable number.

1222040244 is an abundant number, since it is smaller than the sum of its proper divisors (1629387020).

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

1222040244 is a wasteful number, since it uses less digits than its factorization.

1222040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101836694 (or 101836692 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1222040244 is about 34957.6922007160. The cubic root of 1222040244 is about 1069.1250436016.

Adding to 1222040244 its reverse (4420402221), we get a palindrome (5642442465).

The spelling of 1222040244 in words is "one billion, two hundred twenty-two million, forty thousand, two hundred forty-four".