422251214501 has 4 divisors (see below), whose sum is σ = 422253465900. Its totient is φ = 422248963104.

The previous prime is 422251214453. The next prime is 422251214507. The reversal of 422251214501 is 105412152224.

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 404590133476 + 17661081025 = 636074^2 + 132895^2 .

It is a cyclic number.

It is not a de Polignac number, because 422251214501 - 2¹⁰ = 422251213477 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 (422251214507) 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, 815966 + ... + 1228943.

It is an arithmetic number, because the mean of its divisors is an integer number (105563366475).

Almost surely, 2^422251214501 is an apocalyptic number.

It is an amenable number.

422251214501 is a deficient number, since it is larger than the sum of its proper divisors (2251399).

422251214501 is a wasteful number, since it uses less digits than its factorization.

422251214501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251398.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 422251214501 its reverse (105412152224), we get a palindrome (527663366725).

The spelling of 422251214501 in words is "four hundred twenty-two billion, two hundred fifty-one million, two hundred fourteen thousand, five hundred one".