22540015031 has 2 divisors, whose sum is σ = 22540015032. Its totient is φ = 22540015030.

The previous prime is 22540015007. The next prime is 22540015051. The reversal of 22540015031 is 13051004522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22540015031 - 2¹⁴ = 22539998647 is a prime.

It is a super-2 number, since 2×22540015031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 22540014988 and 22540015006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540015051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270007515 + 11270007516.

It is an arithmetic number, because the mean of its divisors is an integer number (11270007516).

Almost surely, 2^22540015031 is an apocalyptic number.

22540015031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540015031 is an equidigital number, since it uses as much as digits as its factorization.

22540015031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22540015031 its reverse (13051004522), we get a palindrome (35591019553).

The spelling of 22540015031 in words is "twenty-two billion, five hundred forty million, fifteen thousand, thirty-one".