22236077 has 2 divisors, whose sum is σ = 22236078. Its totient is φ = 22236076.

The previous prime is 22236073. The next prime is 22236079. The reversal of 22236077 is 77063222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 8649481 = 3686^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 22236077 - 2² = 22236073 is a prime.

Together with 22236079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22236073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11118038 + 11118039.

It is an arithmetic number, because the mean of its divisors is an integer number (11118039).

Almost surely, 2^22236077 is an apocalyptic number.

It is an amenable number.

22236077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22236077 is an equidigital number, since it uses as much as digits as its factorization.

22236077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 22236077 is about 4715.5145000307. The cubic root of 22236077 is about 281.2026374896.

Adding to 22236077 its reverse (77063222), we get a palindrome (99299299).

The spelling of 22236077 in words is "twenty-two million, two hundred thirty-six thousand, seventy-seven".