22480653781 has 2 divisors, whose sum is σ = 22480653782. Its totient is φ = 22480653780.

The previous prime is 22480653763. The next prime is 22480653791. The reversal of 22480653781 is 18735608422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21816767025 + 663886756 = 147705^2 + 25766^2 .

It is a cyclic number.

It is not a de Polignac number, because 22480653781 - 2⁷ = 22480653653 is a prime.

It is a super-2 number, since 2×22480653781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22480653751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240326890 + 11240326891.

It is an arithmetic number, because the mean of its divisors is an integer number (11240326891).

Almost surely, 2^22480653781 is an apocalyptic number.

It is an amenable number.

22480653781 is a deficient number, since it is larger than the sum of its proper divisors (1).

22480653781 is an equidigital number, since it uses as much as digits as its factorization.

22480653781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 22480653781 in words is "twenty-two billion, four hundred eighty million, six hundred fifty-three thousand, seven hundred eighty-one".