28218224074634 has 64 divisors (see below), whose sum is σ = 50831466682752. Its totient is φ = 11601744844800.

The previous prime is 28218224074609. The next prime is 28218224074657. The reversal of 28218224074634 is 43647042281282.

It is a super-3 number, since 3×28218224074634³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12705749 + ... + 14760504.

It is an arithmetic number, because the mean of its divisors is an integer number (794241666918).

Almost surely, 2^{28218224074634} is an apocalyptic number.

28218224074634 is a deficient number, since it is larger than the sum of its proper divisors (22613242608118).

28218224074634 is a wasteful number, since it uses less digits than its factorization.

28218224074634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27466391.

The product of its (nonzero) digits is 8257536, while the sum is 53.

The spelling of 28218224074634 in words is "twenty-eight trillion, two hundred eighteen billion, two hundred twenty-four million, seventy-four thousand, six hundred thirty-four".