22053221465 has 8 divisors (see below), whose sum is σ = 28869671808. Its totient is φ = 16038706480.

The previous prime is 22053221461. The next prime is 22053221521. The reversal of 22053221465 is 56412235022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22053221465 - 2² = 22053221461 is a prime.

It is a Duffinian 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, 200483777 + ... + 200483886.

It is an arithmetic number, because the mean of its divisors is an integer number (3608708976).

Almost surely, 2^22053221465 is an apocalyptic number.

It is an amenable number.

22053221465 is a deficient number, since it is larger than the sum of its proper divisors (6816450343).

22053221465 is a wasteful number, since it uses less digits than its factorization.

22053221465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400967679.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 22053221465 its reverse (56412235022), we get a palindrome (78465456487).

The spelling of 22053221465 in words is "twenty-two billion, fifty-three million, two hundred twenty-one thousand, four hundred sixty-five".