422603331 has 4 divisors (see below), whose sum is σ = 563471112. Its totient is φ = 281735552.

The previous prime is 422603317. The next prime is 422603393. The reversal of 422603331 is 133306224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422603331 - 2⁶ = 422603267 is a prime.

It is a super-2 number, since 2×422603331² = 357187150744591122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422603231) 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, 70433886 + ... + 70433891.

It is an arithmetic number, because the mean of its divisors is an integer number (140867778).

Almost surely, 2^422603331 is an apocalyptic number.

422603331 is a deficient number, since it is larger than the sum of its proper divisors (140867781).

422603331 is a wasteful number, since it uses less digits than its factorization.

422603331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140867780.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 422603331 is about 20557.3181859891. The cubic root of 422603331 is about 750.4313554180.

Adding to 422603331 its reverse (133306224), we get a palindrome (555909555).

The spelling of 422603331 in words is "four hundred twenty-two million, six hundred three thousand, three hundred thirty-one".