22412461 has 2 divisors, whose sum is σ = 22412462. Its totient is φ = 22412460.

The previous prime is 22412393. The next prime is 22412483. The reversal of 22412461 is 16421422.

It is a happy number.

It is an a-pointer prime, because the next prime (22412483) can be obtained adding 22412461 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15256836 + 7155625 = 3906^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 22412461 - 2⁷ = 22412333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206230 + 11206231.

It is an arithmetic number, because the mean of its divisors is an integer number (11206231).

Almost surely, 2^22412461 is an apocalyptic number.

It is an amenable number.

22412461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412461 is an equidigital number, since it uses as much as digits as its factorization.

22412461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 22412461 is about 4734.1800768454. The cubic root of 22412461 is about 281.9442112532.

Adding to 22412461 its reverse (16421422), we get a palindrome (38833883).

The spelling of 22412461 in words is "twenty-two million, four hundred twelve thousand, four hundred sixty-one".