221442441383 has 4 divisors (see below), whose sum is σ = 221443647408. Its totient is φ = 221441235360.

The previous prime is 221442441301. The next prime is 221442441397. The reversal of 221442441383 is 383144244122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 221442441383 - 2⁸ = 221442441127 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 (221442341383) 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, 264098 + ... + 715983.

It is an arithmetic number, because the mean of its divisors is an integer number (55360911852).

Almost surely, 2^221442441383 is an apocalyptic number.

221442441383 is a deficient number, since it is larger than the sum of its proper divisors (1206025).

221442441383 is an equidigital number, since it uses as much as digits as its factorization.

221442441383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206024.

The product of its digits is 147456, while the sum is 38.

The spelling of 221442441383 in words is "two hundred twenty-one billion, four hundred forty-two million, four hundred forty-one thousand, three hundred eighty-three".