2222610421 has 2 divisors, whose sum is σ = 2222610422. Its totient is φ = 2222610420.

The previous prime is 2222610409. The next prime is 2222610469. The reversal of 2222610421 is 1240162222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027700900 + 194909521 = 45030^2 + 13961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222610421 - 2³¹ = 75126773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222610392 and 2222610401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222610121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111305210 + 1111305211.

It is an arithmetic number, because the mean of its divisors is an integer number (1111305211).

Almost surely, 2^2222610421 is an apocalyptic number.

It is an amenable number.

2222610421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222610421 is an equidigital number, since it uses as much as digits as its factorization.

2222610421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2222610421 is about 47144.5693691225. The cubic root of 2222610421 is about 1305.0318633070.

Adding to 2222610421 its reverse (1240162222), we get a palindrome (3462772643).

The spelling of 2222610421 in words is "two billion, two hundred twenty-two million, six hundred ten thousand, four hundred twenty-one".