422458678745 has 8 divisors (see below), whose sum is σ = 508189904520. Its totient is φ = 337140616320.

The previous prime is 422458678739. The next prime is 422458678753. The reversal of 422458678745 is 547876854224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190342856089 + 232115822656 = 436283^2 + 481784^2 .

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

It is not a de Polignac number, because 422458678745 - 2²⁸ = 422190243289 is a prime.

It is a super-2 number, since 2×422458678745² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103288586 + ... + 103292675.

It is an arithmetic number, because the mean of its divisors is an integer number (63523738065).

Almost surely, 2^422458678745 is an apocalyptic number.

It is an amenable number.

422458678745 is a deficient number, since it is larger than the sum of its proper divisors (85731225775).

422458678745 is a wasteful number, since it uses less digits than its factorization.

422458678745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206581675.

The product of its digits is 120422400, while the sum is 62.

The spelling of 422458678745 in words is "four hundred twenty-two billion, four hundred fifty-eight million, six hundred seventy-eight thousand, seven hundred forty-five".