2222654331643 has 4 divisors (see below), whose sum is σ = 2227671610488. Its totient is φ = 2217637052800.

The previous prime is 2222654331589. The next prime is 2222654331649. The reversal of 2222654331643 is 3461334562222.

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 2222654331643 - 2²⁵ = 2222620777211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222654331643.

It is not an unprimeable number, because it can be changed into a prime (2222654331649) 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, 2508638758 + ... + 2508639643.

It is an arithmetic number, because the mean of its divisors is an integer number (556917902622).

Almost surely, 2^{2222654331643} is an apocalyptic number.

2222654331643 is a deficient number, since it is larger than the sum of its proper divisors (5017278845).

2222654331643 is an equidigital number, since it uses as much as digits as its factorization.

2222654331643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017278844.

The product of its digits is 1244160, while the sum is 43.

Adding to 2222654331643 its reverse (3461334562222), we get a palindrome (5683988893865).

The spelling of 2222654331643 in words is "two trillion, two hundred twenty-two billion, six hundred fifty-four million, three hundred thirty-one thousand, six hundred forty-three".