422020432 has 10 divisors (see below), whose sum is σ = 817664618. Its totient is φ = 211010208.

The previous prime is 422020429. The next prime is 422020433. The reversal of 422020432 is 234020224.

It can be written as a sum of positive squares in only one way, i.e., 275029056 + 146991376 = 16584^2 + 12124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422020433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13188123 + ... + 13188154.

Almost surely, 2^422020432 is an apocalyptic number.

It is an amenable number.

422020432 is a deficient number, since it is larger than the sum of its proper divisors (395644186).

422020432 is a wasteful number, since it uses less digits than its factorization.

422020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26376285 (or 26376279 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 422020432 is about 20543.1358852537. The cubic root of 422020432 is about 750.0861720247.

Adding to 422020432 its reverse (234020224), we get a palindrome (656040656).

The spelling of 422020432 in words is "four hundred twenty-two million, twenty thousand, four hundred thirty-two".