422305220501 has 4 divisors (see below), whose sum is σ = 422380329312. Its totient is φ = 422230111692.

The previous prime is 422305220429. The next prime is 422305220587. The reversal of 422305220501 is 105022503224.

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 422305220501 - 2¹⁸ = 422304958357 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 (422305220591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37545971 + ... + 37557216.

It is an arithmetic number, because the mean of its divisors is an integer number (105595082328).

Almost surely, 2^422305220501 is an apocalyptic number.

It is an amenable number.

422305220501 is a deficient number, since it is larger than the sum of its proper divisors (75108811).

422305220501 is an equidigital number, since it uses as much as digits as its factorization.

422305220501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75108810.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 422305220501 its reverse (105022503224), we get a palindrome (527327723725).

The spelling of 422305220501 in words is "four hundred twenty-two billion, three hundred five million, two hundred twenty thousand, five hundred one".