28354322 has 8 divisors (see below), whose sum is σ = 42717900. Its totient is φ = 14115024.

The previous prime is 28354307. The next prime is 28354363. The reversal of 28354322 is 22345382.

It can be written as a sum of positive squares in 2 ways, for example, as 21058921 + 7295401 = 4589^2 + 2701^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30497 + ... + 31412.

Almost surely, 2^28354322 is an apocalyptic number.

28354322 is a deficient number, since it is larger than the sum of its proper divisors (14363578).

28354322 is a wasteful number, since it uses less digits than its factorization.

28354322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62140.

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

The square root of 28354322 is about 5324.8776511766. The cubic root of 28354322 is about 304.9344013719.

The spelling of 28354322 in words is "twenty-eight million, three hundred fifty-four thousand, three hundred twenty-two".