202122444439 has 2 divisors, whose sum is σ = 202122444440. Its totient is φ = 202122444438.

The previous prime is 202122444373. The next prime is 202122444463. The reversal of 202122444439 is 934444221202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202122444439 - 2¹³ = 202122436247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202122444398 and 202122444407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202122444499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061222219 + 101061222220.

It is an arithmetic number, because the mean of its divisors is an integer number (101061222220).

Almost surely, 2^202122444439 is an apocalyptic number.

202122444439 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122444439 is an equidigital number, since it uses as much as digits as its factorization.

202122444439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 202122444439 in words is "two hundred two billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred thirty-nine".