422676421 has 16 divisors (see below), whose sum is σ = 453418560. Its totient is φ = 393258880.

The previous prime is 422676403. The next prime is 422676437. The reversal of 422676421 is 124676224.

It is not a de Polignac number, because 422676421 - 2⁹ = 422675909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422676481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96546 + ... + 100828.

It is an arithmetic number, because the mean of its divisors is an integer number (28338660).

Almost surely, 2^422676421 is an apocalyptic number.

422676421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

422676421 is a deficient number, since it is larger than the sum of its proper divisors (30742139).

422676421 is a wasteful number, since it uses less digits than its factorization.

422676421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436.

The product of its digits is 32256, while the sum is 34.

The square root of 422676421 is about 20559.0958215579. The cubic root of 422676421 is about 750.4746157380.

The spelling of 422676421 in words is "four hundred twenty-two million, six hundred seventy-six thousand, four hundred twenty-one".