2222364421 has 2 divisors, whose sum is σ = 2222364422. Its totient is φ = 2222364420.

The previous prime is 2222364413. The next prime is 2222364433. The reversal of 2222364421 is 1244632222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2068976196 + 153388225 = 45486^2 + 12385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222364421 - 2³ = 2222364413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222364421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222364461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111182210 + 1111182211.

It is an arithmetic number, because the mean of its divisors is an integer number (1111182211).

Almost surely, 2^2222364421 is an apocalyptic number.

It is an amenable number.

2222364421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222364421 is an equidigital number, since it uses as much as digits as its factorization.

2222364421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 28.

The square root of 2222364421 is about 47141.9603007766. The cubic root of 2222364421 is about 1304.9837142656.

Adding to 2222364421 its reverse (1244632222), we get a palindrome (3466996643).

The spelling of 2222364421 in words is "two billion, two hundred twenty-two million, three hundred sixty-four thousand, four hundred twenty-one".