2221604407142 has 8 divisors (see below), whose sum is σ = 3332426092632. Its totient is φ = 1110795709600.

The previous prime is 2221604407129. The next prime is 2221604407147. The reversal of 2221604407142 is 2417044061222.

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

It is a super-2 number, since 2×2221604407142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221604407147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807459 + ... + 3510702.

It is an arithmetic number, because the mean of its divisors is an integer number (416553261579).

Almost surely, 2^{2221604407142} is an apocalyptic number.

2221604407142 is a deficient number, since it is larger than the sum of its proper divisors (1110821685490).

2221604407142 is a wasteful number, since it uses less digits than its factorization.

2221604407142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493974.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 2221604407142 its reverse (2417044061222), we get a palindrome (4638648468364).

The spelling of 2221604407142 in words is "two trillion, two hundred twenty-one billion, six hundred four million, four hundred seven thousand, one hundred forty-two".