422426641 has 16 divisors (see below), whose sum is σ = 527240448. Its totient is φ = 329515200.

The previous prime is 422426623. The next prime is 422426687. The reversal of 422426641 is 146624224.

It is a happy number.

It is not a de Polignac number, because 422426641 - 2⁷ = 422426513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422426611) 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 15 ways as a sum of consecutive naturals, for example, 26230 + ... + 39151.

It is an arithmetic number, because the mean of its divisors is an integer number (32952528).

Almost surely, 2^422426641 is an apocalyptic number.

It is an amenable number.

422426641 is a deficient number, since it is larger than the sum of its proper divisors (104813807).

422426641 is a wasteful number, since it uses less digits than its factorization.

422426641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65472.

The product of its digits is 18432, while the sum is 31.

The square root of 422426641 is about 20553.0202403442. The cubic root of 422426641 is about 750.3267559904.

The spelling of 422426641 in words is "four hundred twenty-two million, four hundred twenty-six thousand, six hundred forty-one".