428022046 has 4 divisors (see below), whose sum is σ = 642033072. Its totient is φ = 214011022.

The previous prime is 428022041. The next prime is 428022059. The reversal of 428022046 is 640220824.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×428022046² = 366405743724052232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107005510 + ... + 107005513.

It is an arithmetic number, because the mean of its divisors is an integer number (160508268).

Almost surely, 2^428022046 is an apocalyptic number.

428022046 is a deficient number, since it is larger than the sum of its proper divisors (214011026).

428022046 is a wasteful number, since it uses less digits than its factorization.

428022046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214011025.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 428022046 is about 20688.6936755321. The cubic root of 428022046 is about 753.6251434743.

The spelling of 428022046 in words is "four hundred twenty-eight million, twenty-two thousand, forty-six".