22501452497 has 2 divisors, whose sum is σ = 22501452498. Its totient is φ = 22501452496.

The previous prime is 22501452481. The next prime is 22501452583. The reversal of 22501452497 is 79425410522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22415778961 + 85673536 = 149719^2 + 9256^2 .

It is a cyclic number.

It is not a de Polignac number, because 22501452497 - 2⁴ = 22501452481 is a prime.

It is not a weakly prime, because it can be changed into another prime (22501452097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250726248 + 11250726249.

It is an arithmetic number, because the mean of its divisors is an integer number (11250726249).

Almost surely, 2^22501452497 is an apocalyptic number.

It is an amenable number.

22501452497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501452497 is an equidigital number, since it uses as much as digits as its factorization.

22501452497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 22501452497 in words is "twenty-two billion, five hundred one million, four hundred fifty-two thousand, four hundred ninety-seven".