442232311229 has 2 divisors, whose sum is σ = 442232311230. Its totient is φ = 442232311228.

The previous prime is 442232311211. The next prime is 442232311249. The reversal of 442232311229 is 922113232244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412690608100 + 29541703129 = 642410^2 + 171877^2 .

It is a cyclic number.

It is not a de Polignac number, because 442232311229 - 2³² = 437937343933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442232311249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221116155614 + 221116155615.

It is an arithmetic number, because the mean of its divisors is an integer number (221116155615).

Almost surely, 2^442232311229 is an apocalyptic number.

It is an amenable number.

442232311229 is a deficient number, since it is larger than the sum of its proper divisors (1).

442232311229 is an equidigital number, since it uses as much as digits as its factorization.

442232311229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 442232311229 in words is "four hundred forty-two billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twenty-nine".