22204040411551 has 2 divisors, whose sum is σ = 22204040411552. Its totient is φ = 22204040411550.

The previous prime is 22204040411543. The next prime is 22204040411677. The reversal of 22204040411551 is 15511404040222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22204040411551 - 2³ = 22204040411543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22204040411051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102020205775 + 11102020205776.

It is an arithmetic number, because the mean of its divisors is an integer number (11102020205776).

Almost surely, 2^{22204040411551} is an apocalyptic number.

22204040411551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204040411551 is an equidigital number, since it uses as much as digits as its factorization.

22204040411551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 22204040411551 its reverse (15511404040222), we get a palindrome (37715444451773).

The spelling of 22204040411551 in words is "twenty-two trillion, two hundred four billion, forty million, four hundred eleven thousand, five hundred fifty-one".