221657225266124 has 12 divisors (see below), whose sum is σ = 410717799757944. Its totient is φ = 104309282478144.

The previous prime is 221657225266121. The next prime is 221657225266129. The reversal of 221657225266124 is 421662522756122.

It is not an unprimeable number, because it can be changed into a prime (221657225266121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629832538654 + ... + 1629832538789.

It is an arithmetic number, because the mean of its divisors is an integer number (34226483313162).

Almost surely, 2^{221657225266124} is an apocalyptic number.

It is an amenable number.

221657225266124 is a deficient number, since it is larger than the sum of its proper divisors (189060574491820).

221657225266124 is a wasteful number, since it uses less digits than its factorization.

221657225266124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259665077464 (or 3259665077462 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 53.

The spelling of 221657225266124 in words is "two hundred twenty-one trillion, six hundred fifty-seven billion, two hundred twenty-five million, two hundred sixty-six thousand, one hundred twenty-four".