22301845481 has 2 divisors, whose sum is σ = 22301845482. Its totient is φ = 22301845480.

The previous prime is 22301845477. The next prime is 22301845493. The reversal of 22301845481 is 18454810322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20539189225 + 1762656256 = 143315^2 + 41984^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301845481 - 2² = 22301845477 is a prime.

It is a super-2 number, since 2×22301845481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22301845421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150922740 + 11150922741.

It is an arithmetic number, because the mean of its divisors is an integer number (11150922741).

Almost surely, 2^22301845481 is an apocalyptic number.

It is an amenable number.

22301845481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301845481 is an equidigital number, since it uses as much as digits as its factorization.

22301845481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 22301845481 in words is "twenty-two billion, three hundred one million, eight hundred forty-five thousand, four hundred eighty-one".