422651247 has 8 divisors (see below), whose sum is σ = 577279920. Its totient is φ = 274895040.

The previous prime is 422651227. The next prime is 422651261. The reversal of 422651247 is 742156224.

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

It is not a de Polignac number, because 422651247 - 2⁶ = 422651183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422651227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717972 + ... + 1718217.

It is an arithmetic number, because the mean of its divisors is an integer number (72159990).

Almost surely, 2^422651247 is an apocalyptic number.

422651247 is a deficient number, since it is larger than the sum of its proper divisors (154628673).

422651247 is a wasteful number, since it uses less digits than its factorization.

422651247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436233.

The product of its digits is 26880, while the sum is 33.

The square root of 422651247 is about 20558.4835773459. The cubic root of 422651247 is about 750.4597163791.

The spelling of 422651247 in words is "four hundred twenty-two million, six hundred fifty-one thousand, two hundred forty-seven".