22253144021 has 8 divisors (see below), whose sum is σ = 22373988000. Its totient is φ = 22132606032.

The previous prime is 22253143999. The next prime is 22253144057. The reversal of 22253144021 is 12044135222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22253144021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253141021) 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, 70106 + ... + 222308.

It is an arithmetic number, because the mean of its divisors is an integer number (2796748500).

Almost surely, 2^22253144021 is an apocalyptic number.

It is an amenable number.

22253144021 is a deficient number, since it is larger than the sum of its proper divisors (120843979).

22253144021 is a wasteful number, since it uses less digits than its factorization.

22253144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152995.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22253144021 its reverse (12044135222), we get a palindrome (34297279243).

The spelling of 22253144021 in words is "twenty-two billion, two hundred fifty-three million, one hundred forty-four thousand, twenty-one".