22253154421 has 8 divisors (see below), whose sum is σ = 23261772800. Its totient is φ = 21262709520.

The previous prime is 22253154403. The next prime is 22253154493. The reversal of 22253154421 is 12445135222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22253154421 - 2¹⁷ = 22253023349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253152421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4540866 + ... + 4545763.

It is an arithmetic number, because the mean of its divisors is an integer number (2907721600).

Almost surely, 2^22253154421 is an apocalyptic number.

It is an amenable number.

22253154421 is a deficient number, since it is larger than the sum of its proper divisors (1008618379).

22253154421 is an equidigital number, since it uses as much as digits as its factorization.

22253154421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086739.

The product of its digits is 19200, while the sum is 31.

Adding to 22253154421 its reverse (12445135222), we get a palindrome (34698289643).

The spelling of 22253154421 in words is "twenty-two billion, two hundred fifty-three million, one hundred fifty-four thousand, four hundred twenty-one".