221422047266023 has 4 divisors (see below), whose sum is σ = 221422086430720. Its totient is φ = 221422008101328.

The previous prime is 221422047265963. The next prime is 221422047266041. The reversal of 221422047266023 is 320662740224122.

221422047266023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221422047266023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422047266723) 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, 9303438 + ... + 23008651.

It is an arithmetic number, because the mean of its divisors is an integer number (55355521607680).

Almost surely, 2^{221422047266023} is an apocalyptic number.

221422047266023 is a deficient number, since it is larger than the sum of its proper divisors (39164697).

221422047266023 is an equidigital number, since it uses as much as digits as its factorization.

221422047266023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39164696.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 221422047266023 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, two hundred sixty-six thousand, twenty-three".