22053221466 has 16 divisors (see below), whose sum is σ = 45044878464. Its totient is φ = 7194667904.

The previous prime is 22053221461. The next prime is 22053221521. The reversal of 22053221466 is 66412235022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22053221461) 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 in 7 ways as a sum of consecutive naturals, for example, 39101175 + ... + 39101738.

It is an arithmetic number, because the mean of its divisors is an integer number (2815304904).

Almost surely, 2^22053221466 is an apocalyptic number.

22053221466 is an abundant number, since it is smaller than the sum of its proper divisors (22991656998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22053221466 is a wasteful number, since it uses less digits than its factorization.

22053221466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78202965.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 22053221466 its reverse (66412235022), we get a palindrome (88465456488).

The spelling of 22053221466 in words is "twenty-two billion, fifty-three million, two hundred twenty-one thousand, four hundred sixty-six".