28484022 has 16 divisors (see below), whose sum is σ = 65106432. Its totient is φ = 8138280.

The previous prime is 28483991. The next prime is 28484041. The reversal of 28484022 is 22048482.

It is a super-2 number, since 2×28484022² = 1622679018592968, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 339054 + ... + 339137.

It is an arithmetic number, because the mean of its divisors is an integer number (4069152).

Almost surely, 2^28484022 is an apocalyptic number.

28484022 is an abundant number, since it is smaller than the sum of its proper divisors (36622410).

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

28484022 is a wasteful number, since it uses less digits than its factorization.

28484022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678203.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 28484022 is about 5337.0424394041. The cubic root of 28484022 is about 305.3986438329.

The spelling of 28484022 in words is "twenty-eight million, four hundred eighty-four thousand, twenty-two".