422521325431 has 4 divisors (see below), whose sum is σ = 422600916600. Its totient is φ = 422441734264.

The previous prime is 422521325419. The next prime is 422521325437. The reversal of 422521325431 is 134523125224.

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 422521325431 - 2⁹ = 422521324919 is a prime.

It is a super-2 number, since 2×422521325431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422521325437) 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, 39787621 + ... + 39798238.

It is an arithmetic number, because the mean of its divisors is an integer number (105650229150).

Almost surely, 2^422521325431 is an apocalyptic number.

422521325431 is a deficient number, since it is larger than the sum of its proper divisors (79591169).

422521325431 is an equidigital number, since it uses as much as digits as its factorization.

422521325431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79591168.

The product of its digits is 57600, while the sum is 34.

The spelling of 422521325431 in words is "four hundred twenty-two billion, five hundred twenty-one million, three hundred twenty-five thousand, four hundred thirty-one".