22434114210421 has 2 divisors, whose sum is σ = 22434114210422. Its totient is φ = 22434114210420.

The previous prime is 22434114210413. The next prime is 22434114210451. The reversal of 22434114210421 is 12401241143422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21370557208900 + 1063557001521 = 4622830^2 + 1031289^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434114210421 - 2³ = 22434114210413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22434114210451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217057105210 + 11217057105211.

It is an arithmetic number, because the mean of its divisors is an integer number (11217057105211).

Almost surely, 2^{22434114210421} is an apocalyptic number.

It is an amenable number.

22434114210421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434114210421 is an equidigital number, since it uses as much as digits as its factorization.

22434114210421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 22434114210421 its reverse (12401241143422), we get a palindrome (34835355353843).

The spelling of 22434114210421 in words is "twenty-two trillion, four hundred thirty-four billion, one hundred fourteen million, two hundred ten thousand, four hundred twenty-one".