22089157 has 2 divisors, whose sum is σ = 22089158. Its totient is φ = 22089156.

The previous prime is 22089121. The next prime is 22089161. The reversal of 22089157 is 75198022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16008001 + 6081156 = 4001^2 + 2466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22089157 is a prime.

It is a super-3 number, since 3×22089157³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22089167) 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, 11044578 + 11044579.

It is an arithmetic number, because the mean of its divisors is an integer number (11044579).

Almost surely, 2^22089157 is an apocalyptic number.

It is an amenable number.

22089157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22089157 is an equidigital number, since it uses as much as digits as its factorization.

22089157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 22089157 is about 4699.9103182933. The cubic root of 22089157 is about 280.5819401923.

The spelling of 22089157 in words is "twenty-two million, eighty-nine thousand, one hundred fifty-seven".