1622113243 has 2 divisors, whose sum is σ = 1622113244. Its totient is φ = 1622113242.

The previous prime is 1622113237. The next prime is 1622113247. The reversal of 1622113243 is 3423112261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1622113243 - 2⁵ = 1622113211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1622113247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811056621 + 811056622.

It is an arithmetic number, because the mean of its divisors is an integer number (811056622).

Almost surely, 2^1622113243 is an apocalyptic number.

1622113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622113243 is an equidigital number, since it uses as much as digits as its factorization.

1622113243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1622113243 is about 40275.4670115692. The cubic root of 1622113243 is about 1174.9707535802.

The spelling of 1622113243 in words is "one billion, six hundred twenty-two million, one hundred thirteen thousand, two hundred forty-three".