28622690282 has 4 divisors (see below), whose sum is σ = 42934035426. Its totient is φ = 14311345140.

The previous prime is 28622690279. The next prime is 28622690329. The reversal of 28622690282 is 28209622682.

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., 20840098321 + 7782591961 = 144361^2 + 88219^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155672569 + ... + 7155672572.

Almost surely, 2^28622690282 is an apocalyptic number.

28622690282 is a deficient number, since it is larger than the sum of its proper divisors (14311345144).

28622690282 is a wasteful number, since it uses less digits than its factorization.

28622690282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311345143.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28622690282 in words is "twenty-eight billion, six hundred twenty-two million, six hundred ninety thousand, two hundred eighty-two".