28220667070 has 16 divisors (see below), whose sum is σ = 50859850608. Its totient is φ = 11274344640.

The previous prime is 28220667043. The next prime is 28220667091. The reversal of 28220667070 is 7076602282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731759 + ... + 1747978.

It is an arithmetic number, because the mean of its divisors is an integer number (3178740663).

Almost surely, 2^28220667070 is an apocalyptic number.

28220667070 is a deficient number, since it is larger than the sum of its proper divisors (22639183538).

28220667070 is a wasteful number, since it uses less digits than its factorization.

28220667070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480555.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 28220667070 in words is "twenty-eight billion, two hundred twenty million, six hundred sixty-seven thousand, seventy".