1244013222 has 16 divisors (see below), whose sum is σ = 2488372992. Its totient is φ = 414613320.

The previous prime is 1244013193. The next prime is 1244013283. The reversal of 1244013222 is 2223104421.

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, 72447 + ... + 87957.

It is an arithmetic number, because the mean of its divisors is an integer number (155523312).

Almost surely, 2^1244013222 is an apocalyptic number.

1244013222 is an abundant number, since it is smaller than the sum of its proper divisors (1244359770).

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

1244013222 is a wasteful number, since it uses less digits than its factorization.

1244013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28883.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1244013222 is about 35270.5716143076. The cubic root of 1244013222 is about 1075.4948425241.

Adding to 1244013222 its reverse (2223104421), we get a palindrome (3467117643).

The spelling of 1244013222 in words is "one billion, two hundred forty-four million, thirteen thousand, two hundred twenty-two".