22024400602481 has 2 divisors, whose sum is σ = 22024400602482. Its totient is φ = 22024400602480.

The previous prime is 22024400602433. The next prime is 22024400602487. The reversal of 22024400602481 is 18420600442022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12218834847025 + 9805565755456 = 3495545^2 + 3131384^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024400602481 - 2²² = 22024396408177 is a prime.

It is a super-2 number, since 2×22024400602481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22024400602487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012200301240 + 11012200301241.

It is an arithmetic number, because the mean of its divisors is an integer number (11012200301241).

Almost surely, 2^{22024400602481} is an apocalyptic number.

It is an amenable number.

22024400602481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22024400602481 is an equidigital number, since it uses as much as digits as its factorization.

22024400602481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 22024400602481 in words is "twenty-two trillion, twenty-four billion, four hundred million, six hundred two thousand, four hundred eighty-one".