422045012 has 12 divisors (see below), whose sum is σ = 739625460. Its totient is φ = 210723456.

The previous prime is 422044937. The next prime is 422045017. The reversal of 422045012 is 210540224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139334416 + 282710596 = 11804^2 + 16814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422045017) 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, 71573 + ... + 77244.

It is an arithmetic number, because the mean of its divisors is an integer number (61635455).

Almost surely, 2^422045012 is an apocalyptic number.

It is an amenable number.

422045012 is a deficient number, since it is larger than the sum of its proper divisors (317580448).

422045012 is a wasteful number, since it uses less digits than its factorization.

422045012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149530 (or 149528 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 422045012 is about 20543.7341298996. The cubic root of 422045012 is about 750.1007343214.

Adding to 422045012 its reverse (210540224), we get a palindrome (632585236).

The spelling of 422045012 in words is "four hundred twenty-two million, forty-five thousand, twelve".