22452011 has 2 divisors, whose sum is σ = 22452012. Its totient is φ = 22452010.

The previous prime is 22451987. The next prime is 22452049. The reversal of 22452011 is 11025422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22452011 - 2¹⁴ = 22435627 is a prime.

It is a super-3 number, since 3×22452011³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22452611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226005 + 11226006.

It is an arithmetic number, because the mean of its divisors is an integer number (11226006).

Almost surely, 2^22452011 is an apocalyptic number.

22452011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452011 is an equidigital number, since it uses as much as digits as its factorization.

22452011 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 17.

The square root of 22452011 is about 4738.3553053776. The cubic root of 22452011 is about 282.1099574551.

Adding to 22452011 its reverse (11025422), we get a palindrome (33477433).

The spelling of 22452011 in words is "twenty-two million, four hundred fifty-two thousand, eleven".