22041145 has 8 divisors (see below), whose sum is σ = 30227904. Its totient is φ = 15113904.

The previous prime is 22041139. The next prime is 22041157. The reversal of 22041145 is 54114022.

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 22041145 - 2¹¹ = 22039097 is a prime.

It is a super-2 number, since 2×22041145² = 971624145822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314839 + ... + 314908.

It is an arithmetic number, because the mean of its divisors is an integer number (3778488).

Almost surely, 2^22041145 is an apocalyptic number.

It is an amenable number.

22041145 is a deficient number, since it is larger than the sum of its proper divisors (8186759).

22041145 is an equidigital number, since it uses as much as digits as its factorization.

22041145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629759.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 22041145 is about 4694.7997827383. The cubic root of 22041145 is about 280.3785059596.

Adding to 22041145 its reverse (54114022), we get a palindrome (76155167).

The spelling of 22041145 in words is "twenty-two million, forty-one thousand, one hundred forty-five".