422743526 has 8 divisors (see below), whose sum is σ = 638315184. Its totient is φ = 209971800.

The previous prime is 422743523. The next prime is 422743549. The reversal of 422743526 is 625347224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422743523) 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, 699605 + ... + 700208.

It is an arithmetic number, because the mean of its divisors is an integer number (79789398).

Almost surely, 2^422743526 is an apocalyptic number.

422743526 is a deficient number, since it is larger than the sum of its proper divisors (215571658).

422743526 is a wasteful number, since it uses less digits than its factorization.

422743526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399966.

The product of its digits is 80640, while the sum is 35.

The square root of 422743526 is about 20560.7277594933. The cubic root of 422743526 is about 750.5143292806.

The spelling of 422743526 in words is "four hundred twenty-two million, seven hundred forty-three thousand, five hundred twenty-six".