422460421 has 8 divisors (see below), whose sum is σ = 470854080. Its totient is φ = 376682688.

The previous prime is 422460391. The next prime is 422460431. The reversal of 422460421 is 124064224.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422460421 is a prime.

It is a super-2 number, since 2×422460421² = 356945614622994482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422460431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653641 + ... + 654286.

It is an arithmetic number, because the mean of its divisors is an integer number (58856760).

Almost surely, 2^422460421 is an apocalyptic number.

It is an amenable number.

422460421 is a deficient number, since it is larger than the sum of its proper divisors (48393659).

422460421 is a wasteful number, since it uses less digits than its factorization.

422460421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307963.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 422460421 is about 20553.8420009496. The cubic root of 422460421 is about 750.3467558040.

The spelling of 422460421 in words is "four hundred twenty-two million, four hundred sixty thousand, four hundred twenty-one".