22143501422631 has 6 divisors (see below), whose sum is σ = 31985057610480. Its totient is φ = 14762334281748.

The previous prime is 22143501422629. The next prime is 22143501422639. The reversal of 22143501422631 is 13622410534122.

It is a happy number.

22143501422631 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 3 + 5 + 0 + 14 + 2 + 2 + 631 = 666.

It is not a de Polignac number, because 22143501422631 - 2¹ = 22143501422629 is a prime.

It is a super-2 number, since 2×22143501422631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143501422639) 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, 1230194523471 + ... + 1230194523488.

It is an arithmetic number, because the mean of its divisors is an integer number (5330842935080).

Almost surely, 2^{22143501422631} is an apocalyptic number.

22143501422631 is a deficient number, since it is larger than the sum of its proper divisors (9841556187849).

22143501422631 is a wasteful number, since it uses less digits than its factorization.

22143501422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460389046965 (or 2460389046962 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 22143501422631 its reverse (13622410534122), we get a palindrome (35765911956753).

The spelling of 22143501422631 in words is "twenty-two trillion, one hundred forty-three billion, five hundred one million, four hundred twenty-two thousand, six hundred thirty-one".