1914223331 has 2 divisors, whose sum is σ = 1914223332. Its totient is φ = 1914223330.

The previous prime is 1914223327. The next prime is 1914223357. The reversal of 1914223331 is 1333224191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1914223331 - 2² = 1914223327 is a prime.

It is a super-2 number, since 2×1914223331² = 7328501921889471122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1914223294 and 1914223303.

It is not a weakly prime, because it can be changed into another prime (1914223361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957111665 + 957111666.

It is an arithmetic number, because the mean of its divisors is an integer number (957111666).

It is a self-describing number.

Almost surely, 2^1914223331 is an apocalyptic number.

1914223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914223331 is an equidigital number, since it uses as much as digits as its factorization.

1914223331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 1914223331 is about 43751.8380299617. The cubic root of 1914223331 is about 1241.6452603509.

The spelling of 1914223331 in words is "one billion, nine hundred fourteen million, two hundred twenty-three thousand, three hundred thirty-one".