2244421345042 has 4 divisors (see below), whose sum is σ = 3366632017566. Its totient is φ = 1122210672520.

The previous prime is 2244421345039. The next prime is 2244421345057. The reversal of 2244421345042 is 2405431244422.

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

It can be written as a sum of positive squares in only one way, i.e., 2244420463321 + 881721 = 1498139^2 + 939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2244421344992 and 2244421345010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105336259 + ... + 561105336262.

Almost surely, 2^{2244421345042} is an apocalyptic number.

2244421345042 is a deficient number, since it is larger than the sum of its proper divisors (1122210672524).

2244421345042 is a wasteful number, since it uses less digits than its factorization.

2244421345042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122210672523.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 2244421345042 its reverse (2405431244422), we get a palindrome (4649852589464).

The spelling of 2244421345042 in words is "two trillion, two hundred forty-four billion, four hundred twenty-one million, three hundred forty-five thousand, forty-two".