422651294251 has 4 divisors (see below), whose sum is σ = 422656328104. Its totient is φ = 422646260400.

The previous prime is 422651294249. The next prime is 422651294279. The reversal of 422651294251 is 152492156224.

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 422651294251 - 2¹ = 422651294249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422651294198 and 422651294207.

It is not an unprimeable number, because it can be changed into a prime (422651294651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388810 + ... + 2559631.

It is an arithmetic number, because the mean of its divisors is an integer number (105664082026).

Almost surely, 2^422651294251 is an apocalyptic number.

422651294251 is a deficient number, since it is larger than the sum of its proper divisors (5033853).

422651294251 is an equidigital number, since it uses as much as digits as its factorization.

422651294251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033852.

The product of its digits is 345600, while the sum is 43.

The spelling of 422651294251 in words is "four hundred twenty-two billion, six hundred fifty-one million, two hundred ninety-four thousand, two hundred fifty-one".