22451133250529 has 2 divisors, whose sum is σ = 22451133250530. Its totient is φ = 22451133250528.

The previous prime is 22451133250501. The next prime is 22451133250561. The reversal of 22451133250529 is 92505233115422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11763150765025 + 10687982485504 = 3429745^2 + 3269248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22451133250529 is a prime.

It is a super-2 number, since 2×22451133250529² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22451133250529.

It is not a weakly prime, because it can be changed into another prime (22451133258529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11225566625264 + 11225566625265.

It is an arithmetic number, because the mean of its divisors is an integer number (11225566625265).

Almost surely, 2^{22451133250529} is an apocalyptic number.

It is an amenable number.

22451133250529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22451133250529 is an equidigital number, since it uses as much as digits as its factorization.

22451133250529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 22451133250529 in words is "twenty-two trillion, four hundred fifty-one billion, one hundred thirty-three million, two hundred fifty thousand, five hundred twenty-nine".