422043437 has 4 divisors (see below), whose sum is σ = 422755740. Its totient is φ = 421331136.

The previous prime is 422043431. The next prime is 422043451. The reversal of 422043437 is 734340224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83704201 + 338339236 = 9149^2 + 18394^2 .

It is a cyclic number.

It is not a de Polignac number, because 422043437 - 2⁴ = 422043421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422043431) 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, 355262 + ... + 356447.

It is an arithmetic number, because the mean of its divisors is an integer number (105688935).

Almost surely, 2^422043437 is an apocalyptic number.

It is an amenable number.

422043437 is a deficient number, since it is larger than the sum of its proper divisors (712303).

422043437 is an equidigital number, since it uses as much as digits as its factorization.

422043437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712302.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 422043437 is about 20543.6957970079. The cubic root of 422043437 is about 750.0998012375.

The spelling of 422043437 in words is "four hundred twenty-two million, forty-three thousand, four hundred thirty-seven".