22554121 has 8 divisors (see below), whose sum is σ = 25138080. Its totient is φ = 20109888.

The previous prime is 22554101. The next prime is 22554131. The reversal of 22554121 is 12145522.

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 22554121 - 2¹⁵ = 22521353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22554092 and 22554101.

It is not an unprimeable number, because it can be changed into a prime (22554101) 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, 34591 + ... + 35236.

It is an arithmetic number, because the mean of its divisors is an integer number (3142260).

Almost surely, 2^22554121 is an apocalyptic number.

It is an amenable number.

22554121 is a deficient number, since it is larger than the sum of its proper divisors (2583959).

22554121 is a wasteful number, since it uses less digits than its factorization.

22554121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69863.

The product of its digits is 800, while the sum is 22.

The square root of 22554121 is about 4749.1179180981. The cubic root of 22554121 is about 282.5369821321.

Adding to 22554121 its reverse (12145522), we get a palindrome (34699643).

The spelling of 22554121 in words is "twenty-two million, five hundred fifty-four thousand, one hundred twenty-one".