428823722 has 8 divisors (see below), whose sum is σ = 643363776. Its totient is φ = 214369132.

The previous prime is 428823721. The next prime is 428823727. The reversal of 428823722 is 227328824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (428823721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6848 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (80420472).

Almost surely, 2^428823722 is an apocalyptic number.

428823722 is a deficient number, since it is larger than the sum of its proper divisors (214540054).

428823722 is a wasteful number, since it uses less digits than its factorization.

428823722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42732.

The product of its digits is 86016, while the sum is 38.

The square root of 428823722 is about 20708.0593489588. The cubic root of 428823722 is about 754.0953578735.

The spelling of 428823722 in words is "four hundred twenty-eight million, eight hundred twenty-three thousand, seven hundred twenty-two".