22052761 has 2 divisors, whose sum is σ = 22052762. Its totient is φ = 22052760.

The previous prime is 22052747. The next prime is 22052803. The reversal of 22052761 is 16725022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 197136 = 4675^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052761 - 2⁷ = 22052633 is a prime.

It is not a weakly prime, because it can be changed into another prime (22052161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026380 + 11026381.

It is an arithmetic number, because the mean of its divisors is an integer number (11026381).

Almost surely, 2^22052761 is an apocalyptic number.

It is an amenable number.

22052761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052761 is an equidigital number, since it uses as much as digits as its factorization.

22052761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 22052761 is about 4696.0367332465. The cubic root of 22052761 is about 280.4277518094.

Adding to 22052761 its reverse (16725022), we get a palindrome (38777783).

The spelling of 22052761 in words is "twenty-two million, fifty-two thousand, seven hundred sixty-one".