28338622 has 16 divisors (see below), whose sum is σ = 47769120. Its totient is φ = 12510432.

The previous prime is 28338613. The next prime is 28338637. The reversal of 28338622 is 22683382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23097 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (2985570).

Almost surely, 2^28338622 is an apocalyptic number.

28338622 is a deficient number, since it is larger than the sum of its proper divisors (19430498).

28338622 is a wasteful number, since it uses less digits than its factorization.

28338622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47427.

The product of its digits is 27648, while the sum is 34.

The square root of 28338622 is about 5323.4032347738. The cubic root of 28338622 is about 304.8781094952.

The spelling of 28338622 in words is "twenty-eight million, three hundred thirty-eight thousand, six hundred twenty-two".