1414221989 has 2 divisors, whose sum is σ = 1414221990. Its totient is φ = 1414221988.

The previous prime is 1414221973. The next prime is 1414222009. The reversal of 1414221989 is 9891224141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1285581025 + 128640964 = 35855^2 + 11342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1414221989 - 2⁴ = 1414221973 is a prime.

It is a super-2 number, since 2×1414221989² = 4000047668342232242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414221929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707110994 + 707110995.

It is an arithmetic number, because the mean of its divisors is an integer number (707110995).

Almost surely, 2^1414221989 is an apocalyptic number.

It is an amenable number.

1414221989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414221989 is an equidigital number, since it uses as much as digits as its factorization.

1414221989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 1414221989 is about 37606.1429689353. The cubic root of 1414221989 is about 1122.4642777110.

The spelling of 1414221989 in words is "one billion, four hundred fourteen million, two hundred twenty-one thousand, nine hundred eighty-nine".