2222563921 has 2 divisors, whose sum is σ = 2222563922. Its totient is φ = 2222563920.

The previous prime is 2222563877. The next prime is 2222563927. The reversal of 2222563921 is 1293652222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021491521 + 201072400 = 44961^2 + 14180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222563921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222563927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111281960 + 1111281961.

It is an arithmetic number, because the mean of its divisors is an integer number (1111281961).

Almost surely, 2^2222563921 is an apocalyptic number.

It is an amenable number.

2222563921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222563921 is an equidigital number, since it uses as much as digits as its factorization.

2222563921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 2222563921 is about 47144.0762026365. The cubic root of 2222563921 is about 1305.0227622361.

The spelling of 2222563921 in words is "two billion, two hundred twenty-two million, five hundred sixty-three thousand, nine hundred twenty-one".