22146654631 has 2 divisors, whose sum is σ = 22146654632. Its totient is φ = 22146654630.

The previous prime is 22146654577. The next prime is 22146654659. The reversal of 22146654631 is 13645664122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22146654631 - 2²⁵ = 22113100199 is a prime.

It is a super-2 number, since 2×22146654631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22146654331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073327315 + 11073327316.

It is an arithmetic number, because the mean of its divisors is an integer number (11073327316).

Almost surely, 2^22146654631 is an apocalyptic number.

22146654631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22146654631 is an equidigital number, since it uses as much as digits as its factorization.

22146654631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The spelling of 22146654631 in words is "twenty-two billion, one hundred forty-six million, six hundred fifty-four thousand, six hundred thirty-one".