22603225481 has 2 divisors, whose sum is σ = 22603225482. Its totient is φ = 22603225480.

The previous prime is 22603225451. The next prime is 22603225543. The reversal of 22603225481 is 18452230622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13685256256 + 8917969225 = 116984^2 + 94435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22603225481 is a prime.

It is a super-2 number, since 2×22603225481² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22603225451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11301612740 + 11301612741.

It is an arithmetic number, because the mean of its divisors is an integer number (11301612741).

Almost surely, 2^22603225481 is an apocalyptic number.

It is an amenable number.

22603225481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22603225481 is an equidigital number, since it uses as much as digits as its factorization.

22603225481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 22603225481 in words is "twenty-two billion, six hundred three million, two hundred twenty-five thousand, four hundred eighty-one".