28464922 has 8 divisors (see below), whose sum is σ = 43503156. Its totient is φ = 13963872.

The previous prime is 28464893. The next prime is 28464973. The reversal of 28464922 is 22946482.

It can be written as a sum of positive squares in 2 ways, for example, as 27973521 + 491401 = 5289^2 + 701^2 .

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, 134163 + ... + 134374.

Almost surely, 2^28464922 is an apocalyptic number.

28464922 is a deficient number, since it is larger than the sum of its proper divisors (15038234).

28464922 is a wasteful number, since it uses less digits than its factorization.

28464922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268592.

The product of its digits is 55296, while the sum is 37.

The square root of 28464922 is about 5335.2527587735. The cubic root of 28464922 is about 305.3303667431.

The spelling of 28464922 in words is "twenty-eight million, four hundred sixty-four thousand, nine hundred twenty-two".