2228884397 has 2 divisors, whose sum is σ = 2228884398. Its totient is φ = 2228884396.

The previous prime is 2228884381. The next prime is 2228884447. The reversal of 2228884397 is 7934888222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1961692681 + 267191716 = 44291^2 + 16346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228884397 - 2⁴ = 2228884381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228884597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114442198 + 1114442199.

It is an arithmetic number, because the mean of its divisors is an integer number (1114442199).

Almost surely, 2^2228884397 is an apocalyptic number.

It is an amenable number.

2228884397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228884397 is an equidigital number, since it uses as much as digits as its factorization.

2228884397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 53.

The square root of 2228884397 is about 47211.0622312186. The cubic root of 2228884397 is about 1306.2586559807.

The spelling of 2228884397 in words is "two billion, two hundred twenty-eight million, eight hundred eighty-four thousand, three hundred ninety-seven".