2246442666442 has 8 divisors (see below), whose sum is σ = 3628868922756. Its totient is φ = 1036819692192.

The previous prime is 2246442666313. The next prime is 2246442666449. The reversal of 2246442666442 is 2446662446422.

It can be written as a sum of positive squares in 2 ways, for example, as 1654621715041 + 591820951401 = 1286321^2 + 769299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2246442666442² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2246442666442.

It is not an unprimeable number, because it can be changed into a prime (2246442666449) 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, 43200820483 + ... + 43200820534.

Almost surely, 2^{2246442666442} is an apocalyptic number.

2246442666442 is a deficient number, since it is larger than the sum of its proper divisors (1382426256314).

2246442666442 is a wasteful number, since it uses less digits than its factorization.

2246442666442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86401641032.

The product of its digits is 21233664, while the sum is 52.

The spelling of 2246442666442 in words is "two trillion, two hundred forty-six billion, four hundred forty-two million, six hundred sixty-six thousand, four hundred forty-two".