22532077 has 2 divisors, whose sum is σ = 22532078. Its totient is φ = 22532076.

The previous prime is 22532053. The next prime is 22532113. The reversal of 22532077 is 77023522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 385641 = 4706^2 + 621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22532077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22532017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266038 + 11266039.

It is an arithmetic number, because the mean of its divisors is an integer number (11266039).

Almost surely, 2^22532077 is an apocalyptic number.

It is an amenable number.

22532077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22532077 is an equidigital number, since it uses as much as digits as its factorization.

22532077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 22532077 is about 4746.7964986926. The cubic root of 22532077 is about 282.4449032394. Note that the first 3 decimals are identical.

Adding to 22532077 its reverse (77023522), we get a palindrome (99555599).

The spelling of 22532077 in words is "twenty-two million, five hundred thirty-two thousand, seventy-seven".