42220445201 has 4 divisors (see below), whose sum is σ = 46058667504. Its totient is φ = 38382222900.

The previous prime is 42220445191. The next prime is 42220445207. The reversal of 42220445201 is 10254402224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42220445201 - 2³⁴ = 25040576017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42220445207) 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, 1919111135 + ... + 1919111156.

It is an arithmetic number, because the mean of its divisors is an integer number (11514666876).

Almost surely, 2^42220445201 is an apocalyptic number.

It is an amenable number.

42220445201 is a deficient number, since it is larger than the sum of its proper divisors (3838222303).

42220445201 is a wasteful number, since it uses less digits than its factorization.

42220445201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838222302.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 42220445201 its reverse (10254402224), we get a palindrome (52474847425).

The spelling of 42220445201 in words is "forty-two billion, two hundred twenty million, four hundred forty-five thousand, two hundred one".