28659122 has 4 divisors (see below), whose sum is σ = 42988686. Its totient is φ = 14329560.

The previous prime is 28659119. The next prime is 28659131. The reversal of 28659122 is 22195682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28633201 + 25921 = 5351^2 + 161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7164779 + ... + 7164782.

Almost surely, 2^28659122 is an apocalyptic number.

28659122 is a deficient number, since it is larger than the sum of its proper divisors (14329564).

28659122 is a wasteful number, since it uses less digits than its factorization.

28659122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14329563.

The product of its digits is 17280, while the sum is 35.

The square root of 28659122 is about 5353.4215227273. The cubic root of 28659122 is about 306.0231588550.

The spelling of 28659122 in words is "twenty-eight million, six hundred fifty-nine thousand, one hundred twenty-two".