422473673 has 4 divisors (see below), whose sum is σ = 436101888. Its totient is φ = 408845460.

The previous prime is 422473657. The next prime is 422473679. The reversal of 422473673 is 376374224.

It is a happy number.

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 422473673 - 2⁴ = 422473657 is a prime.

It is a super-2 number, since 2×422473673² = 356968008756221858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422473679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814061 + ... + 6814122.

It is an arithmetic number, because the mean of its divisors is an integer number (109025472).

Almost surely, 2^422473673 is an apocalyptic number.

It is an amenable number.

422473673 is a deficient number, since it is larger than the sum of its proper divisors (13628215).

422473673 is a wasteful number, since it uses less digits than its factorization.

422473673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628214.

The product of its digits is 169344, while the sum is 38.

The square root of 422473673 is about 20554.1643712412. The cubic root of 422473673 is about 750.3546015025.

The spelling of 422473673 in words is "four hundred twenty-two million, four hundred seventy-three thousand, six hundred seventy-three".