422121526 has 16 divisors (see below), whose sum is σ = 671232096. Its totient is φ = 198407296.

The previous prime is 422121517. The next prime is 422121529. The reversal of 422121526 is 625121224.

It is a self number, because there is not a number n which added to its sum of digits gives 422121526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422121529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23160 + ... + 37156.

It is an arithmetic number, because the mean of its divisors is an integer number (41952006).

Almost surely, 2^422121526 is an apocalyptic number.

422121526 is a deficient number, since it is larger than the sum of its proper divisors (249110570).

422121526 is a wasteful number, since it uses less digits than its factorization.

422121526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903.

The product of its digits is 1920, while the sum is 25.

The square root of 422121526 is about 20545.5962678137. The cubic root of 422121526 is about 750.1460610345.

The spelling of 422121526 in words is "four hundred twenty-two million, one hundred twenty-one thousand, five hundred twenty-six".