424534228 has 6 divisors (see below), whose sum is σ = 742934906. Its totient is φ = 212267112.

The previous prime is 424534211. The next prime is 424534241. The reversal of 424534228 is 822435424.

It can be written as a sum of positive squares in only one way, i.e., 377447184 + 47087044 = 19428^2 + 6862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424534193 and 424534202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53066775 + ... + 53066782.

Almost surely, 2^424534228 is an apocalyptic number.

It is an amenable number.

424534228 is a deficient number, since it is larger than the sum of its proper divisors (318400678).

424534228 is a wasteful number, since it uses less digits than its factorization.

424534228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106133561 (or 106133559 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 424534228 is about 20604.2284009860. The cubic root of 424534228 is about 751.5725393371.

The spelling of 424534228 in words is "four hundred twenty-four million, five hundred thirty-four thousand, two hundred twenty-eight".