22261093 has 2 divisors, whose sum is σ = 22261094. Its totient is φ = 22261092.

The previous prime is 22261061. The next prime is 22261111. The reversal of 22261093 is 39016222.

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., 22118209 + 142884 = 4703^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 22261093 - 2⁵ = 22261061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22261003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11130546 + 11130547.

It is an arithmetic number, because the mean of its divisors is an integer number (11130547).

Almost surely, 2^22261093 is an apocalyptic number.

It is an amenable number.

22261093 is a deficient number, since it is larger than the sum of its proper divisors (1).

22261093 is an equidigital number, since it uses as much as digits as its factorization.

22261093 is an evil number, because the sum of its binary digits is even.

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

The square root of 22261093 is about 4718.1662751539. The cubic root of 22261093 is about 281.3080507005.

The spelling of 22261093 in words is "twenty-two million, two hundred sixty-one thousand, ninety-three".