22143152004461 has 2 divisors, whose sum is σ = 22143152004462. Its totient is φ = 22143152004460.

The previous prime is 22143152004403. The next prime is 22143152004469. The reversal of 22143152004461 is 16440025134122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13154512417225 + 8988639587236 = 3626915^2 + 2998106^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143152004461 - 2¹⁴ = 22143151988077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143152004469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071576002230 + 11071576002231.

It is an arithmetic number, because the mean of its divisors is an integer number (11071576002231).

Almost surely, 2^{22143152004461} is an apocalyptic number.

It is an amenable number.

22143152004461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143152004461 is an equidigital number, since it uses as much as digits as its factorization.

22143152004461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 22143152004461 its reverse (16440025134122), we get a palindrome (38583177138583).

The spelling of 22143152004461 in words is "twenty-two trillion, one hundred forty-three billion, one hundred fifty-two million, four thousand, four hundred sixty-one".