22541251531 has 2 divisors, whose sum is σ = 22541251532. Its totient is φ = 22541251530.

The previous prime is 22541251529. The next prime is 22541251547. The reversal of 22541251531 is 13515214522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22541251531 - 2¹ = 22541251529 is a prime.

It is a super-2 number, since 2×22541251531² (a number of 22 digits) contains 22 as substring.

Together with 22541251529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22541251493 and 22541251502.

It is not a weakly prime, because it can be changed into another prime (22541251511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270625765 + 11270625766.

It is an arithmetic number, because the mean of its divisors is an integer number (11270625766).

Almost surely, 2^22541251531 is an apocalyptic number.

22541251531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541251531 is an equidigital number, since it uses as much as digits as its factorization.

22541251531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 31.

The spelling of 22541251531 in words is "twenty-two billion, five hundred forty-one million, two hundred fifty-one thousand, five hundred thirty-one".