422377223452 has 6 divisors (see below), whose sum is σ = 739160141048. Its totient is φ = 211188611724.

The previous prime is 422377223449. The next prime is 422377223453. The reversal of 422377223452 is 254322773224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422377223399 and 422377223408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422377223453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52797152928 + ... + 52797152935.

Almost surely, 2^422377223452 is an apocalyptic number.

It is an amenable number.

422377223452 is a deficient number, since it is larger than the sum of its proper divisors (316782917596).

422377223452 is a wasteful number, since it uses less digits than its factorization.

422377223452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105594305867 (or 105594305865 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 43.

Adding to 422377223452 its reverse (254322773224), we get a palindrome (676699996676).

The spelling of 422377223452 in words is "four hundred twenty-two billion, three hundred seventy-seven million, two hundred twenty-three thousand, four hundred fifty-two".