422325551 has 4 divisors (see below), whose sum is σ = 422752704. Its totient is φ = 421898400.

The previous prime is 422325523. The next prime is 422325583. The reversal of 422325551 is 155523224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422325551 - 2¹⁰ = 422324527 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 (422325751) 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, 212090 + ... + 214071.

It is an arithmetic number, because the mean of its divisors is an integer number (105688176).

Almost surely, 2^422325551 is an apocalyptic number.

422325551 is a deficient number, since it is larger than the sum of its proper divisors (427153).

422325551 is an equidigital number, since it uses as much as digits as its factorization.

422325551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427152.

The product of its digits is 12000, while the sum is 29.

The square root of 422325551 is about 20550.5608439283. The cubic root of 422325551 is about 750.2668981944.

Adding to 422325551 its reverse (155523224), we get a palindrome (577848775).

The spelling of 422325551 in words is "four hundred twenty-two million, three hundred twenty-five thousand, five hundred fifty-one".