28965322 has 4 divisors (see below), whose sum is σ = 43447986. Its totient is φ = 14482660.

The previous prime is 28965281. The next prime is 28965323. The reversal of 28965322 is 22356982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22356982 = 2 ⋅11178491.

It can be written as a sum of positive squares in only one way, i.e., 20894041 + 8071281 = 4571^2 + 2841^2 .

It is not an unprimeable number, because it can be changed into a prime (28965323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7241329 + ... + 7241332.

Almost surely, 2^28965322 is an apocalyptic number.

28965322 is a deficient number, since it is larger than the sum of its proper divisors (14482664).

28965322 is a wasteful number, since it uses less digits than its factorization.

28965322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482663.

The product of its digits is 51840, while the sum is 37.

The square root of 28965322 is about 5381.9440725448. The cubic root of 28965322 is about 307.1091718807.

The spelling of 28965322 in words is "twenty-eight million, nine hundred sixty-five thousand, three hundred twenty-two".