22411145 has 8 divisors (see below), whose sum is σ = 27090504. Its totient is φ = 17797504.

The previous prime is 22411141. The next prime is 22411153. The reversal of 22411145 is 54111422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7441984 + 14969161 = 2728^2 + 3869^2 .

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 22411145 - 2² = 22411141 is a prime.

It is a super-2 number, since 2×22411145² = 1004518840422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22411141) 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, 15674 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (3386313).

Almost surely, 2^22411145 is an apocalyptic number.

It is an amenable number.

22411145 is a deficient number, since it is larger than the sum of its proper divisors (4679359).

22411145 is a wasteful number, since it uses less digits than its factorization.

22411145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32859.

The product of its digits is 320, while the sum is 20.

The square root of 22411145 is about 4734.0410855843. The cubic root of 22411145 is about 281.9386928075.

Adding to 22411145 its reverse (54111422), we get a palindrome (76522567).

The spelling of 22411145 in words is "twenty-two million, four hundred eleven thousand, one hundred forty-five".