742201222001 has 4 divisors (see below), whose sum is σ = 742311005604. Its totient is φ = 742091438400.

The previous prime is 742201221961. The next prime is 742201222067. The reversal of 742201222001 is 100222102247.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258551910400 + 483649311601 = 508480^2 + 695449^2 .

It is a cyclic number.

It is not a de Polignac number, because 742201222001 - 2¹⁴ = 742201205617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742201222201) 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, 54881660 + ... + 54895181.

It is an arithmetic number, because the mean of its divisors is an integer number (185577751401).

Almost surely, 2^742201222001 is an apocalyptic number.

It is an amenable number.

742201222001 is a deficient number, since it is larger than the sum of its proper divisors (109783603).

742201222001 is a wasteful number, since it uses less digits than its factorization.

742201222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109783602.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 742201222001 its reverse (100222102247), we get a palindrome (842423324248).

The spelling of 742201222001 in words is "seven hundred forty-two billion, two hundred one million, two hundred twenty-two thousand, one".