428235722 has 8 divisors (see below), whose sum is σ = 643373472. Its totient is φ = 213777900.

The previous prime is 428235649. The next prime is 428235733. The reversal of 428235722 is 227532824.

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

It is a super-2 number, since 2×428235722² = 366771667193722568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168404 + ... + 170927.

It is an arithmetic number, because the mean of its divisors is an integer number (80421684).

Almost surely, 2^428235722 is an apocalyptic number.

428235722 is a deficient number, since it is larger than the sum of its proper divisors (215137750).

428235722 is a wasteful number, since it uses less digits than its factorization.

428235722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339964.

The product of its digits is 53760, while the sum is 35.

The square root of 428235722 is about 20693.8571078472. The cubic root of 428235722 is about 753.7505301754.

It can be divided in two parts, 4282 and 35722, that added together give a palindrome (40004).

The spelling of 428235722 in words is "four hundred twenty-eight million, two hundred thirty-five thousand, seven hundred twenty-two".