22231152444403 has 4 divisors (see below), whose sum is σ = 25407031365040. Its totient is φ = 19055273523768.

The previous prime is 22231152444383. The next prime is 22231152444443. The reversal of 22231152444403 is 30444425113222.

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

It is a cyclic number.

It is not a de Polignac number, because 22231152444403 - 2¹³ = 22231152436211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231152444443) 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, 1587939460308 + ... + 1587939460321.

It is an arithmetic number, because the mean of its divisors is an integer number (6351757841260).

Almost surely, 2^{22231152444403} is an apocalyptic number.

22231152444403 is a deficient number, since it is larger than the sum of its proper divisors (3175878920637).

22231152444403 is an equidigital number, since it uses as much as digits as its factorization.

22231152444403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175878920636.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 22231152444403 its reverse (30444425113222), we get a palindrome (52675577557625).

The spelling of 22231152444403 in words is "twenty-two trillion, two hundred thirty-one billion, one hundred fifty-two million, four hundred forty-four thousand, four hundred three".