22254420453 has 16 divisors (see below), whose sum is σ = 31763673600. Its totient is φ = 13817193840.

The previous prime is 22254420449. The next prime is 22254420473. The reversal of 22254420453 is 35402445222.

It is not a de Polignac number, because 22254420453 - 2² = 22254420449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254420473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3305353 + ... + 3312078.

It is an arithmetic number, because the mean of its divisors is an integer number (1985229600).

Almost surely, 2^22254420453 is an apocalyptic number.

It is an amenable number.

22254420453 is a deficient number, since it is larger than the sum of its proper divisors (9509253147).

22254420453 is a wasteful number, since it uses less digits than its factorization.

22254420453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617512.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 22254420453 its reverse (35402445222), we get a palindrome (57656865675).

The spelling of 22254420453 in words is "twenty-two billion, two hundred fifty-four million, four hundred twenty thousand, four hundred fifty-three".