28343522 has 8 divisors (see below), whose sum is σ = 45016236. Its totient is φ = 13338112.

The previous prime is 28343507. The next prime is 28343537. The reversal of 28343522 is 22534382.

It is an interprime number because it is at equal distance from previous prime (28343507) and next prime (28343537).

It can be written as a sum of positive squares in 2 ways, for example, as 21058921 + 7284601 = 4589^2 + 2699^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 416783 + ... + 416850.

Almost surely, 2^28343522 is an apocalyptic number.

28343522 is a deficient number, since it is larger than the sum of its proper divisors (16672714).

28343522 is a wasteful number, since it uses less digits than its factorization.

28343522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833652.

The product of its digits is 11520, while the sum is 29.

The square root of 28343522 is about 5323.8634467837. The cubic root of 28343522 is about 304.8956805289.

The spelling of 28343522 in words is "twenty-eight million, three hundred forty-three thousand, five hundred twenty-two".