22525531289 has 2 divisors, whose sum is σ = 22525531290. Its totient is φ = 22525531288.

The previous prime is 22525531279. The next prime is 22525531297. The reversal of 22525531289 is 98213552522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22497600064 + 27931225 = 149992^2 + 5285^2 .

It is a cyclic number.

It is not a de Polignac number, because 22525531289 - 2⁸ = 22525531033 is a prime.

It is a super-3 number, since 3×22525531289³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22525531279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262765644 + 11262765645.

It is an arithmetic number, because the mean of its divisors is an integer number (11262765645).

Almost surely, 2^22525531289 is an apocalyptic number.

It is an amenable number.

22525531289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525531289 is an equidigital number, since it uses as much as digits as its factorization.

22525531289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 44.

The spelling of 22525531289 in words is "twenty-two billion, five hundred twenty-five million, five hundred thirty-one thousand, two hundred eighty-nine".