28066424622 has 16 divisors (see below), whose sum is σ = 57501943632. Its totient is φ = 9127292480.

The previous prime is 28066424609. The next prime is 28066424653. The reversal of 28066424622 is 22642466082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57045333 + ... + 57045824.

It is an arithmetic number, because the mean of its divisors is an integer number (3593871477).

Almost surely, 2^28066424622 is an apocalyptic number.

28066424622 is an abundant number, since it is smaller than the sum of its proper divisors (29435519010).

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

28066424622 is a wasteful number, since it uses less digits than its factorization.

28066424622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114091203.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 28066424622 in words is "twenty-eight billion, sixty-six million, four hundred twenty-four thousand, six hundred twenty-two".