22843881397487 has 2 divisors, whose sum is σ = 22843881397488. Its totient is φ = 22843881397486.

The previous prime is 22843881397457. The next prime is 22843881397517. The reversal of 22843881397487 is 78479318834822.

It is a balanced prime because it is at equal distance from previous prime (22843881397457) and next prime (22843881397517).

It is a cyclic number.

It is not a de Polignac number, because 22843881397487 - 2¹⁶ = 22843881331951 is a prime.

It is a super-2 number, since 2×22843881397487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22843881397457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421940698743 + 11421940698744.

It is an arithmetic number, because the mean of its divisors is an integer number (11421940698744).

Almost surely, 2^{22843881397487} is an apocalyptic number.

22843881397487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22843881397487 is an equidigital number, since it uses as much as digits as its factorization.

22843881397487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1040449536, while the sum is 74.

The spelling of 22843881397487 in words is "twenty-two trillion, eight hundred forty-three billion, eight hundred eighty-one million, three hundred ninety-seven thousand, four hundred eighty-seven".