221534523723022 has 8 divisors (see below), whose sum is σ = 332309708787672. Its totient is φ = 110764620793800.

The previous prime is 221534523723013. The next prime is 221534523723049. The reversal of 221534523723022 is 220327325435122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221534523723022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320429004 + ... + 1320596767.

It is an arithmetic number, because the mean of its divisors is an integer number (41538713598459).

Almost surely, 2^{221534523723022} is an apocalyptic number.

221534523723022 is a deficient number, since it is larger than the sum of its proper divisors (110775185064650).

221534523723022 is a wasteful number, since it uses less digits than its factorization.

221534523723022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641067714.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 221534523723022 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, five hundred twenty-three million, seven hundred twenty-three thousand, twenty-two".