22851011 has 2 divisors, whose sum is σ = 22851012. Its totient is φ = 22851010.

The previous prime is 22850963. The next prime is 22851013. The reversal of 22851011 is 11015822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22851011 - 2¹⁰ = 22849987 is a prime.

It is a Sophie Germain prime.

Together with 22851013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22851013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11425505 + 11425506.

It is an arithmetic number, because the mean of its divisors is an integer number (11425506).

Almost surely, 2^22851011 is an apocalyptic number.

22851011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22851011 is an equidigital number, since it uses as much as digits as its factorization.

22851011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 22851011 is about 4780.2731093526. The cubic root of 22851011 is about 283.7713021973.

Adding to 22851011 its reverse (11015822), we get a palindrome (33866833).

The spelling of 22851011 in words is "twenty-two million, eight hundred fifty-one thousand, eleven".