1244420412022 has 4 divisors (see below), whose sum is σ = 1866630618036. Its totient is φ = 622210206010.

The previous prime is 1244420411999. The next prime is 1244420412041. The reversal of 1244420412022 is 2202140244421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311105103004 + ... + 311105103007.

It is an arithmetic number, because the mean of its divisors is an integer number (466657654509).

Almost surely, 2^{1244420412022} is an apocalyptic number.

1244420412022 is a deficient number, since it is larger than the sum of its proper divisors (622210206014).

1244420412022 is an equidigital number, since it uses as much as digits as its factorization.

1244420412022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622210206013.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1244420412022 its reverse (2202140244421), we get a palindrome (3446560656443).

The spelling of 1244420412022 in words is "one trillion, two hundred forty-four billion, four hundred twenty million, four hundred twelve thousand, twenty-two".