2222201623 has 2 divisors, whose sum is σ = 2222201624. Its totient is φ = 2222201622.

The previous prime is 2222201621. The next prime is 2222201651. The reversal of 2222201623 is 3261022222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222201623 - 2¹ = 2222201621 is a prime.

Together with 2222201621, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2222201594 and 2222201603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222201621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111100811 + 1111100812.

It is an arithmetic number, because the mean of its divisors is an integer number (1111100812).

Almost surely, 2^2222201623 is an apocalyptic number.

2222201623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222201623 is an equidigital number, since it uses as much as digits as its factorization.

2222201623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2222201623 is about 47140.2335908510. The cubic root of 2222201623 is about 1304.9518482157.

Adding to 2222201623 its reverse (3261022222), we get a palindrome (5483223845).

The spelling of 2222201623 in words is "two billion, two hundred twenty-two million, two hundred one thousand, six hundred twenty-three".