2229244421 has 2 divisors, whose sum is σ = 2229244422. Its totient is φ = 2229244420.

The previous prime is 2229244373. The next prime is 2229244429. The reversal of 2229244421 is 1244429222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254930625 + 974313796 = 35425^2 + 31214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229244421 - 2²⁶ = 2162135557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2229244429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114622210 + 1114622211.

It is an arithmetic number, because the mean of its divisors is an integer number (1114622211).

Almost surely, 2^2229244421 is an apocalyptic number.

It is an amenable number.

2229244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229244421 is an equidigital number, since it uses as much as digits as its factorization.

2229244421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 32.

The square root of 2229244421 is about 47214.8749971871. The cubic root of 2229244421 is about 1306.3289840109.

The spelling of 2229244421 in words is "two billion, two hundred twenty-nine million, two hundred forty-four thousand, four hundred twenty-one".