22454502505247 has 2 divisors, whose sum is σ = 22454502505248. Its totient is φ = 22454502505246.

The previous prime is 22454502505243. The next prime is 22454502505313. The reversal of 22454502505247 is 74250520545422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22454502505247 - 2² = 22454502505243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22454502505243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227251252623 + 11227251252624.

It is an arithmetic number, because the mean of its divisors is an integer number (11227251252624).

Almost surely, 2^{22454502505247} is an apocalyptic number.

22454502505247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454502505247 is an equidigital number, since it uses as much as digits as its factorization.

22454502505247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480000, while the sum is 47.

The spelling of 22454502505247 in words is "twenty-two trillion, four hundred fifty-four billion, five hundred two million, five hundred five thousand, two hundred forty-seven".