22061293 has 2 divisors, whose sum is σ = 22061294. Its totient is φ = 22061292.

The previous prime is 22061269. The next prime is 22061311. The reversal of 22061293 is 39216022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20766249 + 1295044 = 4557^2 + 1138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22061293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061993) 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 as a sum of consecutive naturals, namely, 11030646 + 11030647.

It is an arithmetic number, because the mean of its divisors is an integer number (11030647).

Almost surely, 2^22061293 is an apocalyptic number.

It is an amenable number.

22061293 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061293 is an equidigital number, since it uses as much as digits as its factorization.

22061293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22061293 is about 4696.9450710009. The cubic root of 22061293 is about 280.4639120751.

The spelling of 22061293 in words is "twenty-two million, sixty-one thousand, two hundred ninety-three".