422424420 has 96 divisors (see below), whose sum is σ = 1303295616. Its totient is φ = 101376000.

The previous prime is 422424407. The next prime is 422424421. The reversal of 422424420 is 24424224.

It is a super-2 number, since 2×422424420² = 356884781224672800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422424421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63492 + ... + 69828.

It is an arithmetic number, because the mean of its divisors is an integer number (13575996).

Almost surely, 2^422424420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422424420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651647808).

422424420 is an abundant number, since it is smaller than the sum of its proper divisors (880871196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422424420 is a wasteful number, since it uses less digits than its factorization.

422424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 422424420 is about 20552.9662092847. The cubic root of 422424420 is about 750.3254409860.

Adding to 422424420 its reverse (24424224), we get a palindrome (446848644).

The spelling of 422424420 in words is "four hundred twenty-two million, four hundred twenty-four thousand, four hundred twenty".