2238855499 has 2 divisors, whose sum is σ = 2238855500. Its totient is φ = 2238855498.

The previous prime is 2238855461. The next prime is 2238855539. The reversal of 2238855499 is 9945588322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238855499 - 2¹³ = 2238847307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2238855449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119427749 + 1119427750.

It is an arithmetic number, because the mean of its divisors is an integer number (1119427750).

Almost surely, 2^2238855499 is an apocalyptic number.

2238855499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238855499 is an equidigital number, since it uses as much as digits as its factorization.

2238855499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 55.

The square root of 2238855499 is about 47316.5457213436. The cubic root of 2238855499 is about 1308.2036445248.

The spelling of 2238855499 in words is "two billion, two hundred thirty-eight million, eight hundred fifty-five thousand, four hundred ninety-nine".