22160741 has 4 divisors (see below), whose sum is σ = 23464332. Its totient is φ = 20857152.

The previous prime is 22160729. The next prime is 22160767. The reversal of 22160741 is 14706122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 5522500 = 4079^2 + 2350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22160741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160701) 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 3 ways as a sum of consecutive naturals, for example, 651770 + ... + 651803.

It is an arithmetic number, because the mean of its divisors is an integer number (5866083).

Almost surely, 2^22160741 is an apocalyptic number.

It is an amenable number.

22160741 is a deficient number, since it is larger than the sum of its proper divisors (1303591).

22160741 is a wasteful number, since it uses less digits than its factorization.

22160741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303590.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22160741 is about 4707.5196229012. The cubic root of 22160741 is about 280.8847059340.

Adding to 22160741 its reverse (14706122), we get a palindrome (36866863).

The spelling of 22160741 in words is "twenty-two million, one hundred sixty thousand, seven hundred forty-one".