22040400020393 has 2 divisors, whose sum is σ = 22040400020394. Its totient is φ = 22040400020392.

The previous prime is 22040400020329. The next prime is 22040400020407. The reversal of 22040400020393 is 39302000404022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12673941762304 + 9366458258089 = 3560048^2 + 3060467^2 .

It is a cyclic number.

It is not a de Polignac number, because 22040400020393 - 2⁶ = 22040400020329 is a prime.

It is not a weakly prime, because it can be changed into another prime (22040406020393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020200010196 + 11020200010197.

It is an arithmetic number, because the mean of its divisors is an integer number (11020200010197).

Almost surely, 2^{22040400020393} is an apocalyptic number.

It is an amenable number.

22040400020393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040400020393 is an equidigital number, since it uses as much as digits as its factorization.

22040400020393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 22040400020393 in words is "twenty-two trillion, forty billion, four hundred million, twenty thousand, three hundred ninety-three".