22253304427 has 4 divisors (see below), whose sum is σ = 22400677456. Its totient is φ = 22105931400.

The previous prime is 22253304413. The next prime is 22253304439. The reversal of 22253304427 is 72440335222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22253304427 - 2¹⁵ = 22253271659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22253304392 and 22253304401.

It is not an unprimeable number, because it can be changed into a prime (22253304407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73686288 + ... + 73686589.

It is an arithmetic number, because the mean of its divisors is an integer number (5600169364).

Almost surely, 2^22253304427 is an apocalyptic number.

22253304427 is a deficient number, since it is larger than the sum of its proper divisors (147373029).

22253304427 is a wasteful number, since it uses less digits than its factorization.

22253304427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147373028.

The product of its (nonzero) digits is 80640, while the sum is 34.

Adding to 22253304427 its reverse (72440335222), we get a palindrome (94693639649).

The spelling of 22253304427 in words is "twenty-two billion, two hundred fifty-three million, three hundred four thousand, four hundred twenty-seven".