22852391 has 2 divisors, whose sum is σ = 22852392. Its totient is φ = 22852390.

The previous prime is 22852351. The next prime is 22852429. The reversal of 22852391 is 19325822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22852391 - 2¹⁴ = 22836007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22852321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11426195 + 11426196.

It is an arithmetic number, because the mean of its divisors is an integer number (11426196).

Almost surely, 2^22852391 is an apocalyptic number.

22852391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22852391 is an equidigital number, since it uses as much as digits as its factorization.

22852391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 22852391 is about 4780.4174503907. The cubic root of 22852391 is about 283.7770145122. Note that the first 3 decimals are identical.

The spelling of 22852391 in words is "twenty-two million, eight hundred fifty-two thousand, three hundred ninety-one".