422040999 has 8 divisors (see below), whose sum is σ = 562819840. Its totient is φ = 281311416.

The previous prime is 422040953. The next prime is 422041021. The reversal of 422040999 is 999040224.

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

It is not a de Polignac number, because 422040999 - 2²³ = 413652391 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 (422040919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19212 + ... + 34830.

It is an arithmetic number, because the mean of its divisors is an integer number (70352480).

Almost surely, 2^422040999 is an apocalyptic number.

422040999 is a deficient number, since it is larger than the sum of its proper divisors (140778841).

422040999 is a wasteful number, since it uses less digits than its factorization.

422040999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24629.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 422040999 is about 20543.6364599844. The cubic root of 422040999 is about 750.0983568784.

The spelling of 422040999 in words is "four hundred twenty-two million, forty thousand, nine hundred ninety-nine".