617420422 has 8 divisors (see below), whose sum is σ = 938817576. Its totient is φ = 304481232.

The previous prime is 617420417. The next prime is 617420429. The reversal of 617420422 is 224024716.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617420429) 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 3 ways as a sum of consecutive naturals, for example, 2114308 + ... + 2114599.

It is an arithmetic number, because the mean of its divisors is an integer number (117352197).

Almost surely, 2^617420422 is an apocalyptic number.

617420422 is a deficient number, since it is larger than the sum of its proper divisors (321397154).

617420422 is a wasteful number, since it uses less digits than its factorization.

617420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228982.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 617420422 is about 24847.9460318152. The cubic root of 617420422 is about 851.5176678428.

The spelling of 617420422 in words is "six hundred seventeen million, four hundred twenty thousand, four hundred twenty-two".