28922202 has 48 divisors (see below), whose sum is σ = 67796352. Its totient is φ = 8876160.

The previous prime is 28922191. The next prime is 28922203. The reversal of 28922202 is 20222982.

It is not an unprimeable number, because it can be changed into a prime (28922203) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13377 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (1412424).

Almost surely, 2^28922202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28922202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33898176).

28922202 is an abundant number, since it is smaller than the sum of its proper divisors (38874150).

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

28922202 is a wasteful number, since it uses less digits than its factorization.

28922202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28922202 is about 5377.9365931554. The cubic root of 28922202 is about 306.9567007727.

The spelling of 28922202 in words is "twenty-eight million, nine hundred twenty-two thousand, two hundred two".