42022666237 has 4 divisors (see below), whose sum is σ = 42032789020. Its totient is φ = 42012543456.

The previous prime is 42022666229. The next prime is 42022666267. The reversal of 42022666237 is 73266622024.

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 10513221156 + 31509445081 = 102534^2 + 177509^2 .

It is a cyclic number.

It is not a de Polignac number, because 42022666237 - 2³ = 42022666229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42022666237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42022666267) 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, 5055162 + ... + 5063467.

It is an arithmetic number, because the mean of its divisors is an integer number (10508197255).

Almost surely, 2^42022666237 is an apocalyptic number.

It is an amenable number.

42022666237 is a deficient number, since it is larger than the sum of its proper divisors (10122783).

42022666237 is a wasteful number, since it uses less digits than its factorization.

42022666237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122782.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 42022666237 in words is "forty-two billion, twenty-two million, six hundred sixty-six thousand, two hundred thirty-seven".