28563122 has 32 divisors (see below), whose sum is σ = 50706432. Its totient is φ = 11813904.

The previous prime is 28563113. The next prime is 28563127. The reversal of 28563122 is 22136582.

It is not an unprimeable number, because it can be changed into a prime (28563127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54353 + ... + 54875.

It is an arithmetic number, because the mean of its divisors is an integer number (1584576).

Almost surely, 2^28563122 is an apocalyptic number.

28563122 is a deficient number, since it is larger than the sum of its proper divisors (22143310).

28563122 is a wasteful number, since it uses less digits than its factorization.

28563122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 5760, while the sum is 29.

The square root of 28563122 is about 5344.4477731567. The cubic root of 28563122 is about 305.6810794365.

The spelling of 28563122 in words is "twenty-eight million, five hundred sixty-three thousand, one hundred twenty-two".