22631463261 has 20 divisors (see below), whose sum is σ = 36880904544. Its totient is φ = 13716037800.

The previous prime is 22631463251. The next prime is 22631463271. The reversal of 22631463261 is 16236413622.

22631463261 is a `hidden beast` number, since 2 + 2 + 6 + 3 + 14 + 632 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22631463251) and next prime (22631463271).

It is not a de Polignac number, because 22631463261 - 2¹⁷ = 22631332189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631463251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12699145 + ... + 12700926.

Almost surely, 2^22631463261 is an apocalyptic number.

It is an amenable number.

22631463261 is a deficient number, since it is larger than the sum of its proper divisors (14249441283).

22631463261 is a wasteful number, since it uses less digits than its factorization.

22631463261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25400094 (or 25400085 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

Adding to 22631463261 its reverse (16236413622), we get a palindrome (38867876883).

The spelling of 22631463261 in words is "twenty-two billion, six hundred thirty-one million, four hundred sixty-three thousand, two hundred sixty-one".