1244000440022 has 4 divisors (see below), whose sum is σ = 1866000660036. Its totient is φ = 622000220010.

The previous prime is 1244000440009. The next prime is 1244000440051. The reversal of 1244000440022 is 2200440004421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1244000440022.

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, 311000110004 + ... + 311000110007.

It is an arithmetic number, because the mean of its divisors is an integer number (466500165009).

Almost surely, 2^{1244000440022} is an apocalyptic number.

1244000440022 is a deficient number, since it is larger than the sum of its proper divisors (622000220014).

1244000440022 is an equidigital number, since it uses as much as digits as its factorization.

1244000440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622000220013.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 1244000440022 its reverse (2200440004421), we get a palindrome (3444440444443).

The spelling of 1244000440022 in words is "one trillion, two hundred forty-four billion, four hundred forty thousand, twenty-two".