4221742235542 has 32 divisors (see below), whose sum is σ = 6865488000000. Its totient is φ = 1935441550368.

The previous prime is 4221742235521. The next prime is 4221742235563. The reversal of 4221742235542 is 2455322471224.

It is an interprime number because it is at equal distance from previous prime (4221742235521) and next prime (4221742235563).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5726959 + ... + 6421957.

It is an arithmetic number, because the mean of its divisors is an integer number (214546500000).

Almost surely, 2^{4221742235542} is an apocalyptic number.

4221742235542 is a deficient number, since it is larger than the sum of its proper divisors (2643745764458).

4221742235542 is a wasteful number, since it uses less digits than its factorization.

4221742235542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696580.

The product of its digits is 1075200, while the sum is 43.

The spelling of 4221742235542 in words is "four trillion, two hundred twenty-one billion, seven hundred forty-two million, two hundred thirty-five thousand, five hundred forty-two".