22186069 has 2 divisors, whose sum is σ = 22186070. Its totient is φ = 22186068.

The previous prime is 22186067. The next prime is 22186079. The reversal of 22186069 is 96068122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16305444 + 5880625 = 4038^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 22186069 - 2¹ = 22186067 is a prime.

It is a super-2 number, since 2×22186069² = 984443315345522, which contains 22 as substring.

Together with 22186067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22186061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11093034 + 11093035.

It is an arithmetic number, because the mean of its divisors is an integer number (11093035).

Almost surely, 2^22186069 is an apocalyptic number.

It is an amenable number.

22186069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22186069 is an equidigital number, since it uses as much as digits as its factorization.

22186069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22186069 is about 4710.2090187167. The cubic root of 22186069 is about 280.9916749686.

The spelling of 22186069 in words is "twenty-two million, one hundred eighty-six thousand, sixty-nine".