2222460221 has 2 divisors, whose sum is σ = 2222460222. Its totient is φ = 2222460220.

The previous prime is 2222460181. The next prime is 2222460287. The reversal of 2222460221 is 1220642222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912312900 + 310147321 = 43730^2 + 17611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222460221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222460521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111230110 + 1111230111.

It is an arithmetic number, because the mean of its divisors is an integer number (1111230111).

Almost surely, 2^2222460221 is an apocalyptic number.

It is an amenable number.

2222460221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222460221 is an equidigital number, since it uses as much as digits as its factorization.

2222460221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2222460221 is about 47142.9763697627. The cubic root of 2222460221 is about 1305.0024654123.

The spelling of 2222460221 in words is "two billion, two hundred twenty-two million, four hundred sixty thousand, two hundred twenty-one".