28024047122 has 4 divisors (see below), whose sum is σ = 42036070686. Its totient is φ = 14012023560.

The previous prime is 28024047109. The next prime is 28024047127. The reversal of 28024047122 is 22174042082.

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., 27828578761 + 195468361 = 166819^2 + 13981^2 .

It is not an unprimeable number, because it can be changed into a prime (28024047127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006011779 + ... + 7006011782.

Almost surely, 2^28024047122 is an apocalyptic number.

28024047122 is a deficient number, since it is larger than the sum of its proper divisors (14012023564).

28024047122 is a wasteful number, since it uses less digits than its factorization.

28024047122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012023563.

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 28024047122 in words is "twenty-eight billion, twenty-four million, forty-seven thousand, one hundred twenty-two".