22063131461 has 6 divisors (see below), whose sum is σ = 25665275430. Its totient is φ = 18911255496.

The previous prime is 22063131449. The next prime is 22063131509. The reversal of 22063131461 is 16413136022.

It can be written as a sum of positive squares in only one way, i.e., 20854248100 + 1208883361 = 144410^2 + 34769^2 .

It is not a de Polignac number, because 22063131461 - 2¹⁰ = 22063130437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063131661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225133946 + ... + 225134043.

It is an arithmetic number, because the mean of its divisors is an integer number (4277545905).

Almost surely, 2^22063131461 is an apocalyptic number.

It is an amenable number.

22063131461 is a deficient number, since it is larger than the sum of its proper divisors (3602143969).

22063131461 is an equidigital number, since it uses as much as digits as its factorization.

22063131461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450268003 (or 450267996 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 22063131461 its reverse (16413136022), we get a palindrome (38476267483).

The spelling of 22063131461 in words is "twenty-two billion, sixty-three million, one hundred thirty-one thousand, four hundred sixty-one".