22734430552621 has 2 divisors, whose sum is σ = 22734430552622. Its totient is φ = 22734430552620.

The previous prime is 22734430552577. The next prime is 22734430552661. The reversal of 22734430552621 is 12625503443722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22575934999396 + 158495553225 = 4751414^2 + 398115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22734430552621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22734430552661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11367215276310 + 11367215276311.

It is an arithmetic number, because the mean of its divisors is an integer number (11367215276311).

Almost surely, 2^{22734430552621} is an apocalyptic number.

It is an amenable number.

22734430552621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22734430552621 is an equidigital number, since it uses as much as digits as its factorization.

22734430552621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 22734430552621 in words is "twenty-two trillion, seven hundred thirty-four billion, four hundred thirty million, five hundred fifty-two thousand, six hundred twenty-one".