22444213450403 has 2 divisors, whose sum is σ = 22444213450404. Its totient is φ = 22444213450402.

The previous prime is 22444213450397. The next prime is 22444213450423. The reversal of 22444213450403 is 30405431244422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22444213450403 - 2¹² = 22444213446307 is a prime.

It is not a weakly prime, because it can be changed into another prime (22444213450423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222106725201 + 11222106725202.

It is an arithmetic number, because the mean of its divisors is an integer number (11222106725202).

Almost surely, 2^{22444213450403} is an apocalyptic number.

22444213450403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444213450403 is an equidigital number, since it uses as much as digits as its factorization.

22444213450403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 22444213450403 its reverse (30405431244422), we get a palindrome (52849644694825).

The spelling of 22444213450403 in words is "twenty-two trillion, four hundred forty-four billion, two hundred thirteen million, four hundred fifty thousand, four hundred three".