422245321 has 4 divisors (see below), whose sum is σ = 431229312. Its totient is φ = 413261332.

The previous prime is 422245309. The next prime is 422245331. The reversal of 422245321 is 123542224.

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 422245321 - 2⁷ = 422245193 is a prime.

It is a super-2 number, since 2×422245321² = 356582222212786082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422245301) 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, 4491925 + ... + 4492018.

It is an arithmetic number, because the mean of its divisors is an integer number (107807328).

Almost surely, 2^422245321 is an apocalyptic number.

It is an amenable number.

422245321 is a deficient number, since it is larger than the sum of its proper divisors (8983991).

422245321 is an equidigital number, since it uses as much as digits as its factorization.

422245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983990.

The product of its digits is 3840, while the sum is 25.

The square root of 422245321 is about 20548.6087363597. The cubic root of 422245321 is about 750.2193853020.

Adding to 422245321 its reverse (123542224), we get a palindrome (545787545).

The spelling of 422245321 in words is "four hundred twenty-two million, two hundred forty-five thousand, three hundred twenty-one".