428220482 has 16 divisors (see below), whose sum is σ = 667020312. Its totient is φ = 206023680.

The previous prime is 428220449. The next prime is 428220493. The reversal of 428220482 is 284022824.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251888641 + 176331841 = 15871^2 + 13279^2 .

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, 29783 + ... + 41754.

Almost surely, 2^428220482 is an apocalyptic number.

428220482 is a deficient number, since it is larger than the sum of its proper divisors (238799830).

428220482 is a wasteful number, since it uses less digits than its factorization.

428220482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71653.

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 428220482 is about 20693.4888793553. The cubic root of 428220482 is about 753.7415886090.

The spelling of 428220482 in words is "four hundred twenty-eight million, two hundred twenty thousand, four hundred eighty-two".