428280622 has 32 divisors (see below), whose sum is σ = 808061184. Its totient is φ = 165379200.

The previous prime is 428280599. The next prime is 428280623. The reversal of 428280622 is 226082824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428280623) 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, 5097 + ... + 29707.

It is an arithmetic number, because the mean of its divisors is an integer number (25251912).

Almost surely, 2^428280622 is an apocalyptic number.

428280622 is a deficient number, since it is larger than the sum of its proper divisors (379780562).

428280622 is a wasteful number, since it uses less digits than its factorization.

428280622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24744.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 428280622 is about 20694.9419424168. The cubic root of 428280622 is about 753.7768725333.

The spelling of 428280622 in words is "four hundred twenty-eight million, two hundred eighty thousand, six hundred twenty-two".