2228844797 has 2 divisors, whose sum is σ = 2228844798. Its totient is φ = 2228844796.

The previous prime is 2228844781. The next prime is 2228844841. The reversal of 2228844797 is 7974488222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164668676 + 64176121 = 46526^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228844797 - 2⁴ = 2228844781 is a prime.

It is a super-2 number, since 2×2228844797² = 9935498258227942418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228844997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114422398 + 1114422399.

It is an arithmetic number, because the mean of its divisors is an integer number (1114422399).

Almost surely, 2^2228844797 is an apocalyptic number.

It is an amenable number.

2228844797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228844797 is an equidigital number, since it uses as much as digits as its factorization.

2228844797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 53.

The square root of 2228844797 is about 47210.6428361233. The cubic root of 2228844797 is about 1306.2509199508.

The spelling of 2228844797 in words is "two billion, two hundred twenty-eight million, eight hundred forty-four thousand, seven hundred ninety-seven".