422990469 has 24 divisors (see below), whose sum is σ = 672057984. Its totient is φ = 256350600.

The previous prime is 422990467. The next prime is 422990473. The reversal of 422990469 is 964099224.

It is a happy number.

It is not a de Polignac number, because 422990469 - 2¹ = 422990467 is a prime.

It is a super-2 number, since 2×422990469² = 357841873729679922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422990467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5677 + ... + 29634.

It is an arithmetic number, because the mean of its divisors is an integer number (28002416).

Almost surely, 2^422990469 is an apocalyptic number.

It is an amenable number.

422990469 is a deficient number, since it is larger than the sum of its proper divisors (249067515).

422990469 is a wasteful number, since it uses less digits than its factorization.

422990469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35350 (or 35325 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 422990469 is about 20566.7320933589. The cubic root of 422990469 is about 750.6604369267.

The spelling of 422990469 in words is "four hundred twenty-two million, nine hundred ninety thousand, four hundred sixty-nine".