22404222421247 has 2 divisors, whose sum is σ = 22404222421248. Its totient is φ = 22404222421246.

The previous prime is 22404222421201. The next prime is 22404222421277. The reversal of 22404222421247 is 74212422240422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22404222421247 is a prime.

It is a super-3 number, since 3×22404222421247³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22404222421247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22404222421277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202111210623 + 11202111210624.

It is an arithmetic number, because the mean of its divisors is an integer number (11202111210624).

Almost surely, 2^{22404222421247} is an apocalyptic number.

22404222421247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404222421247 is an equidigital number, since it uses as much as digits as its factorization.

22404222421247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229376, while the sum is 38.

Adding to 22404222421247 its reverse (74212422240422), we get a palindrome (96616644661669).

The spelling of 22404222421247 in words is "twenty-two trillion, four hundred four billion, two hundred twenty-two million, four hundred twenty-one thousand, two hundred forty-seven".