422028372 has 48 divisors (see below), whose sum is σ = 996589440. Its totient is φ = 138993792.

The previous prime is 422028371. The next prime is 422028379. The reversal of 422028372 is 273820224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422028371) 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 15 ways as a sum of consecutive naturals, for example, 394254 + ... + 395322.

It is an arithmetic number, because the mean of its divisors is an integer number (20762280).

Almost surely, 2^422028372 is an apocalyptic number.

It is an amenable number.

422028372 is an abundant number, since it is smaller than the sum of its proper divisors (574561068).

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

422028372 is a wasteful number, since it uses less digits than its factorization.

422028372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 422028372 is about 20543.3291362427. The cubic root of 422028372 is about 750.0908760994.

Adding to 422028372 its reverse (273820224), we get a palindrome (695848596).

The spelling of 422028372 in words is "four hundred twenty-two million, twenty-eight thousand, three hundred seventy-two".