22547121 has 8 divisors (see below), whose sum is σ = 30107520. Its totient is φ = 15009072.

The previous prime is 22547099. The next prime is 22547131. The reversal of 22547121 is 12174522.

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

It is not a de Polignac number, because 22547121 - 2¹¹ = 22545073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22547091 and 22547100.

It is not an unprimeable number, because it can be changed into a prime (22547131) 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, 3070 + ... + 7383.

It is an arithmetic number, because the mean of its divisors is an integer number (3763440).

Almost surely, 2^22547121 is an apocalyptic number.

It is an amenable number.

22547121 is a deficient number, since it is larger than the sum of its proper divisors (7560399).

22547121 is a wasteful number, since it uses less digits than its factorization.

22547121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175.

The product of its digits is 1120, while the sum is 24.

The square root of 22547121 is about 4748.3808819428. The cubic root of 22547121 is about 282.5077492849.

The spelling of 22547121 in words is "twenty-two million, five hundred forty-seven thousand, one hundred twenty-one".