22552039 has 2 divisors, whose sum is σ = 22552040. Its totient is φ = 22552038.

The previous prime is 22552037. The next prime is 22552067. The reversal of 22552039 is 93025522.

It is an a-pointer prime, because the next prime (22552067) can be obtained adding 22552039 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22552039 - 2¹ = 22552037 is a prime.

Together with 22552037, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1421749 and since 22552039 and 1421749 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22551998 and 22552016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22552037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276019 + 11276020.

It is an arithmetic number, because the mean of its divisors is an integer number (11276020).

Almost surely, 2^22552039 is an apocalyptic number.

22552039 is a deficient number, since it is larger than the sum of its proper divisors (1).

22552039 is an equidigital number, since it uses as much as digits as its factorization.

22552039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 22552039 is about 4748.8987144390. The cubic root of 22552039 is about 282.5282880802.

The spelling of 22552039 in words is "twenty-two million, five hundred fifty-two thousand, thirty-nine".