22541121 has 6 divisors (see below), whose sum is σ = 32559410. Its totient is φ = 15027408.

The previous prime is 22541117. The next prime is 22541137. The reversal of 22541121 is 12114522.

22541121 is a `hidden beast` number, since 2 + 2 + 541 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15492096 + 7049025 = 3936^2 + 2655^2 .

It is not a de Polignac number, because 22541121 - 2² = 22541117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22541094 and 22541103.

It is not an unprimeable number, because it can be changed into a prime (22541171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252276 + ... + 1252293.

Almost surely, 2^22541121 is an apocalyptic number.

It is an amenable number.

22541121 is a deficient number, since it is larger than the sum of its proper divisors (10018289).

22541121 is a wasteful number, since it uses less digits than its factorization.

22541121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504575 (or 2504572 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 22541121 is about 4747.7490456005. The cubic root of 22541121 is about 282.4826877427.

Adding to 22541121 its reverse (12114522), we get a palindrome (34655643).

It can be divided in two parts, 2254 and 1121, that added together give a cube (3375 = 15³).

The spelling of 22541121 in words is "twenty-two million, five hundred forty-one thousand, one hundred twenty-one".