428224130 has 16 divisors (see below), whose sum is σ = 771285240. Its totient is φ = 171182592.

The previous prime is 428224127. The next prime is 428224151. The reversal of 428224130 is 31422824.

It can be written as a sum of positive squares in 4 ways, for example, as 217887121 + 210337009 = 14761^2 + 14503^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 428224130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4562 + ... + 29618.

Almost surely, 2^428224130 is an apocalyptic number.

428224130 is a deficient number, since it is larger than the sum of its proper divisors (343061110).

428224130 is a wasteful number, since it uses less digits than its factorization.

428224130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26773.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 428224130 is about 20693.5770228349. The cubic root of 428224130 is about 753.7437289718.

Adding to 428224130 its reverse (31422824), we get a palindrome (459646954).

The spelling of 428224130 in words is "four hundred twenty-eight million, two hundred twenty-four thousand, one hundred thirty".