1914988223 has 2 divisors, whose sum is σ = 1914988224. Its totient is φ = 1914988222.

The previous prime is 1914988219. The next prime is 1914988279. The reversal of 1914988223 is 3228894191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1914988223 - 2² = 1914988219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1914988123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957494111 + 957494112.

It is an arithmetic number, because the mean of its divisors is an integer number (957494112).

Almost surely, 2^1914988223 is an apocalyptic number.

1914988223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914988223 is an equidigital number, since it uses as much as digits as its factorization.

1914988223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The square root of 1914988223 is about 43760.5784125393. The cubic root of 1914988223 is about 1241.8106186351.

The spelling of 1914988223 in words is "one billion, nine hundred fourteen million, nine hundred eighty-eight thousand, two hundred twenty-three".