22405235555 has 16 divisors (see below), whose sum is σ = 27450726240. Its totient is φ = 17551427328.

The previous prime is 22405235549. The next prime is 22405235581. The reversal of 22405235555 is 55553250422.

It is a cyclic number.

It is not a de Polignac number, because 22405235555 - 2¹⁴ = 22405219171 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 170072 + ... + 271541.

It is an arithmetic number, because the mean of its divisors is an integer number (1715670390).

Almost surely, 2^22405235555 is an apocalyptic number.

22405235555 is a deficient number, since it is larger than the sum of its proper divisors (5045490685).

22405235555 is a wasteful number, since it uses less digits than its factorization.

22405235555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441830.

The product of its (nonzero) digits is 300000, while the sum is 38.

Adding to 22405235555 its reverse (55553250422), we get a palindrome (77958485977).

The spelling of 22405235555 in words is "twenty-two billion, four hundred five million, two hundred thirty-five thousand, five hundred fifty-five".