22403061 has 10 divisors (see below), whose sum is σ = 33466422. Its totient is φ = 14935320.

The previous prime is 22403039. The next prime is 22403063. The reversal of 22403061 is 16030422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 2954961 = 4410^2 + 1719^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22403061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 138210 + ... + 138371.

Almost surely, 2^22403061 is an apocalyptic number.

It is an amenable number.

22403061 is a deficient number, since it is larger than the sum of its proper divisors (11063361).

22403061 is an equidigital number, since it uses as much as digits as its factorization.

22403061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276593 (or 276584 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22403061 is about 4733.1871925796. The cubic root of 22403061 is about 281.9047890438.

Adding to 22403061 its reverse (16030422), we get a palindrome (38433483).

The spelling of 22403061 in words is "twenty-two million, four hundred three thousand, sixty-one".