28226652 has 24 divisors (see below), whose sum is σ = 66943632. Its totient is φ = 9254400.

The previous prime is 28226651. The next prime is 28226663. The reversal of 28226652 is 25662282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28226651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18549 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (2789318).

Almost surely, 2^28226652 is an apocalyptic number.

It is an amenable number.

28226652 is an abundant number, since it is smaller than the sum of its proper divisors (38716980).

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

28226652 is a wasteful number, since it uses less digits than its factorization.

28226652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38629 (or 38627 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 28226652 is about 5312.8760572782. The cubic root of 28226652 is about 304.4760402954.

The spelling of 28226652 in words is "twenty-eight million, two hundred twenty-six thousand, six hundred fifty-two".