22481361 has 32 divisors (see below), whose sum is σ = 40308480. Its totient is φ = 12089088.

The previous prime is 22481357. The next prime is 22481363. The reversal of 22481361 is 16318422.

22481361 is a `hidden beast` number, since 224 + 81 + 361 = 666.

It is not a de Polignac number, because 22481361 - 2² = 22481357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22481363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (1259640).

Almost surely, 2^22481361 is an apocalyptic number.

22481361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22481361 is a deficient number, since it is larger than the sum of its proper divisors (17827119).

22481361 is a wasteful number, since it uses less digits than its factorization.

22481361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7024 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22481361 is about 4741.4513600795. The cubic root of 22481361 is about 282.2328317037.

Adding to 22481361 its reverse (16318422), we get a palindrome (38799783).

The spelling of 22481361 in words is "twenty-two million, four hundred eighty-one thousand, three hundred sixty-one".