422578721347 has 8 divisors (see below), whose sum is σ = 423434188944. Its totient is φ = 421724015328.

The previous prime is 422578721333. The next prime is 422578721371. The reversal of 422578721347 is 743127875224.

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

It is a cyclic number.

It is not a de Polignac number, because 422578721347 - 2¹⁵ = 422578688579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422578721294 and 422578721303.

It is not an unprimeable number, because it can be changed into a prime (422578721317) 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, 927093 + ... + 1305625.

It is an arithmetic number, because the mean of its divisors is an integer number (52929273618).

Almost surely, 2^422578721347 is an apocalyptic number.

422578721347 is a deficient number, since it is larger than the sum of its proper divisors (855467597).

422578721347 is a wasteful number, since it uses less digits than its factorization.

422578721347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380789.

The product of its digits is 5268480, while the sum is 52.

The spelling of 422578721347 in words is "four hundred twenty-two billion, five hundred seventy-eight million, seven hundred twenty-one thousand, three hundred forty-seven".