422651473 has 4 divisors (see below), whose sum is σ = 441027648. Its totient is φ = 404275300.

The previous prime is 422651461. The next prime is 422651479. The reversal of 422651473 is 374156224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422651473 - 2⁹ = 422650961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422651479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9188053 + ... + 9188098.

It is an arithmetic number, because the mean of its divisors is an integer number (110256912).

Almost surely, 2^422651473 is an apocalyptic number.

It is an amenable number.

422651473 is a deficient number, since it is larger than the sum of its proper divisors (18376175).

422651473 is a wasteful number, since it uses less digits than its factorization.

422651473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376174.

The product of its digits is 40320, while the sum is 34.

The square root of 422651473 is about 20558.4890738595. The cubic root of 422651473 is about 750.4598501410.

The spelling of 422651473 in words is "four hundred twenty-two million, six hundred fifty-one thousand, four hundred seventy-three".