422521216301 has 4 divisors (see below), whose sum is σ = 422576884704. Its totient is φ = 422465547900.

The previous prime is 422521216267. The next prime is 422521216303. The reversal of 422521216301 is 103612125224.

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 a de Polignac number, because none of the positive numbers 2^k-422521216301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422521216303) 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, 27822815 + ... + 27837996.

It is an arithmetic number, because the mean of its divisors is an integer number (105644221176).

Almost surely, 2^422521216301 is an apocalyptic number.

It is an amenable number.

422521216301 is a deficient number, since it is larger than the sum of its proper divisors (55668403).

422521216301 is an equidigital number, since it uses as much as digits as its factorization.

422521216301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55668402.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 422521216301 in words is "four hundred twenty-two billion, five hundred twenty-one million, two hundred sixteen thousand, three hundred one".