422003437 has 8 divisors (see below), whose sum is σ = 435859704. Its totient is φ = 408365568.

The previous prime is 422003431. The next prime is 422003443. The reversal of 422003437 is 734300224.

It is an interprime number because it is at equal distance from previous prime (422003431) and next prime (422003443).

It can be written as a sum of positive squares in 4 ways, for example, as 39175081 + 382828356 = 6259^2 + 19566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422003437 - 2¹⁵ = 421970669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422003431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50668 + ... + 58405.

It is an arithmetic number, because the mean of its divisors is an integer number (54482463).

Almost surely, 2^422003437 is an apocalyptic number.

It is an amenable number.

422003437 is a deficient number, since it is larger than the sum of its proper divisors (13856267).

422003437 is a wasteful number, since it uses less digits than its factorization.

422003437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109199.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 422003437 is about 20542.7222392749. The cubic root of 422003437 is about 750.0761030923.

The spelling of 422003437 in words is "four hundred twenty-two million, three thousand, four hundred thirty-seven".