22548453421 has 16 divisors (see below), whose sum is σ = 26073508608. Its totient is φ = 19313683200.

The previous prime is 22548453407. The next prime is 22548453467. The reversal of 22548453421 is 12435484522.

It is a cyclic number.

It is not a de Polignac number, because 22548453421 - 2¹³ = 22548445229 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 (22548451421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702825 + ... + 734206.

It is an arithmetic number, because the mean of its divisors is an integer number (1629594288).

Almost surely, 2^22548453421 is an apocalyptic number.

It is an amenable number.

22548453421 is a deficient number, since it is larger than the sum of its proper divisors (3525055187).

22548453421 is a wasteful number, since it uses less digits than its factorization.

22548453421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437132.

The product of its digits is 307200, while the sum is 40.

The spelling of 22548453421 in words is "twenty-two billion, five hundred forty-eight million, four hundred fifty-three thousand, four hundred twenty-one".