22001231453 has 2 divisors, whose sum is σ = 22001231454. Its totient is φ = 22001231452.

The previous prime is 22001231423. The next prime is 22001231491. The reversal of 22001231453 is 35413210022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21838337284 + 162894169 = 147778^2 + 12763^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001231453 - 2¹² = 22001227357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001231423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000615726 + 11000615727.

It is an arithmetic number, because the mean of its divisors is an integer number (11000615727).

Almost surely, 2^22001231453 is an apocalyptic number.

It is an amenable number.

22001231453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001231453 is an equidigital number, since it uses as much as digits as its factorization.

22001231453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22001231453 its reverse (35413210022), we get a palindrome (57414441475).

The spelling of 22001231453 in words is "twenty-two billion, one million, two hundred thirty-one thousand, four hundred fifty-three".