428722475 has 6 divisors (see below), whose sum is σ = 531615900. Its totient is φ = 342977960.

The previous prime is 428722453. The next prime is 428722499. The reversal of 428722475 is 574227824.

It is not a de Polignac number, because 428722475 - 2¹² = 428718379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8574425 + ... + 8574474.

It is an arithmetic number, because the mean of its divisors is an integer number (88602650).

Almost surely, 2^428722475 is an apocalyptic number.

428722475 is a deficient number, since it is larger than the sum of its proper divisors (102893425).

428722475 is a wasteful number, since it uses less digits than its factorization.

428722475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17148909 (or 17148904 counting only the distinct ones).

The product of its digits is 250880, while the sum is 41.

The square root of 428722475 is about 20705.6145767277. The cubic root of 428722475 is about 754.0360048897.

It can be divided in two parts, 4287 and 22475, that added together give a palindrome (26762).

The spelling of 428722475 in words is "four hundred twenty-eight million, seven hundred twenty-two thousand, four hundred seventy-five".