22251141 has 12 divisors (see below), whose sum is σ = 35062560. Its totient is φ = 13485480.

The previous prime is 22251137. The next prime is 22251161. The reversal of 22251141 is 14115222.

It is not a de Polignac number, because 22251141 - 2² = 22251137 is a prime.

It is a super-2 number, since 2×22251141² = 990226551603762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112281 + ... + 112478.

It is an arithmetic number, because the mean of its divisors is an integer number (2921880).

Almost surely, 2^22251141 is an apocalyptic number.

It is an amenable number.

22251141 is a deficient number, since it is larger than the sum of its proper divisors (12811419).

22251141 is a wasteful number, since it uses less digits than its factorization.

22251141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224776 (or 224773 counting only the distinct ones).

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

The square root of 22251141 is about 4717.1115102359. Note that the first 3 decimals coincide. The cubic root of 22251141 is about 281.2661241126.

Adding to 22251141 its reverse (14115222), we get a palindrome (36366363).

The spelling of 22251141 in words is "twenty-two million, two hundred fifty-one thousand, one hundred forty-one".