22125244487 has 2 divisors, whose sum is σ = 22125244488. Its totient is φ = 22125244486.

The previous prime is 22125244483. The next prime is 22125244529. The reversal of 22125244487 is 78444252122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22125244487 - 2² = 22125244483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22125244481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062622243 + 11062622244.

It is an arithmetic number, because the mean of its divisors is an integer number (11062622244).

Almost surely, 2^22125244487 is an apocalyptic number.

22125244487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125244487 is an equidigital number, since it uses as much as digits as its factorization.

22125244487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 41.

The spelling of 22125244487 in words is "twenty-two billion, one hundred twenty-five million, two hundred forty-four thousand, four hundred eighty-seven".