28067922 has 12 divisors (see below), whose sum is σ = 60813870. Its totient is φ = 9355968.

The previous prime is 28067891. The next prime is 28067939. The reversal of 28067922 is 22976082.

It can be written as a sum of positive squares in only one way, i.e., 26532801 + 1535121 = 5151^2 + 1239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779647 + ... + 779682.

Almost surely, 2^28067922 is an apocalyptic number.

28067922 is an abundant number, since it is smaller than the sum of its proper divisors (32745948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28067922 is a wasteful number, since it uses less digits than its factorization.

28067922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559337 (or 1559334 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28067922 is about 5297.9167603880. The cubic root of 28067922 is about 303.9042360528.

The spelling of 28067922 in words is "twenty-eight million, sixty-seven thousand, nine hundred twenty-two".