422145532 has 12 divisors (see below), whose sum is σ = 740599776. Its totient is φ = 210545600.

The previous prime is 422145527. The next prime is 422145533. The reversal of 422145532 is 235541224.

It is a self number, because there is not a number n which added to its sum of digits gives 422145532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422145533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129988 + ... + 133195.

It is an arithmetic number, because the mean of its divisors is an integer number (61716648).

Almost surely, 2^422145532 is an apocalyptic number.

It is an amenable number.

422145532 is a deficient number, since it is larger than the sum of its proper divisors (318454244).

422145532 is a wasteful number, since it uses less digits than its factorization.

422145532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263588 (or 263586 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 422145532 is about 20546.1804722922. The cubic root of 422145532 is about 750.1602810035.

Adding to 422145532 its reverse (235541224), we get a palindrome (657686756).

The spelling of 422145532 in words is "four hundred twenty-two million, one hundred forty-five thousand, five hundred thirty-two".