221422053125527 has 8 divisors (see below), whose sum is σ = 230661623857280. Its totient is φ = 212313540134880.

The previous prime is 221422053125491. The next prime is 221422053125543. The reversal of 221422053125527 is 725521350224122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221422053125527 is a prime.

It is a super-2 number, since 2×221422053125527² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422053125827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32764431828 + ... + 32764438585.

It is an arithmetic number, because the mean of its divisors is an integer number (28832702982160).

Almost surely, 2^{221422053125527} is an apocalyptic number.

221422053125527 is a deficient number, since it is larger than the sum of its proper divisors (9239570731753).

221422053125527 is a wasteful number, since it uses less digits than its factorization.

221422053125527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65528870553.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 221422053125527 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-three million, one hundred twenty-five thousand, five hundred twenty-seven".