22000456453 has 2 divisors, whose sum is σ = 22000456454. Its totient is φ = 22000456452.

The previous prime is 22000456427. The next prime is 22000456523. The reversal of 22000456453 is 35465400022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14472811809 + 7527644644 = 120303^2 + 86762^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000456453 - 2¹⁷ = 22000325381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22000456553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000228226 + 11000228227.

It is an arithmetic number, because the mean of its divisors is an integer number (11000228227).

Almost surely, 2^22000456453 is an apocalyptic number.

It is an amenable number.

22000456453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000456453 is an equidigital number, since it uses as much as digits as its factorization.

22000456453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22000456453 its reverse (35465400022), we get a palindrome (57465856475).

The spelling of 22000456453 in words is "twenty-two billion, four hundred fifty-six thousand, four hundred fifty-three".