422396437 has 2 divisors, whose sum is σ = 422396438. Its totient is φ = 422396436.

The previous prime is 422396431. The next prime is 422396479. The reversal of 422396437 is 734693224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389115076 + 33281361 = 19726^2 + 5769^2 .

It is a cyclic number.

It is not a de Polignac number, because 422396437 - 2²³ = 414007829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422396437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422396431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211198218 + 211198219.

It is an arithmetic number, because the mean of its divisors is an integer number (211198219).

Almost surely, 2^422396437 is an apocalyptic number.

It is an amenable number.

422396437 is a deficient number, since it is larger than the sum of its proper divisors (1).

422396437 is an equidigital number, since it uses as much as digits as its factorization.

422396437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 422396437 is about 20552.2854446896. The cubic root of 422396437 is about 750.3088724833.

The spelling of 422396437 in words is "four hundred twenty-two million, three hundred ninety-six thousand, four hundred thirty-seven".