22050761 has 2 divisors, whose sum is σ = 22050762. Its totient is φ = 22050760.

The previous prime is 22050757. The next prime is 22050781. The reversal of 22050761 is 16705022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14592400 + 7458361 = 3820^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050761 - 2² = 22050757 is a prime.

It is not a weakly prime, because it can be changed into another prime (22050781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025380 + 11025381.

It is an arithmetic number, because the mean of its divisors is an integer number (11025381).

Almost surely, 2^22050761 is an apocalyptic number.

It is an amenable number.

22050761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050761 is an equidigital number, since it uses as much as digits as its factorization.

22050761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22050761 is about 4695.8237828948. The cubic root of 22050761 is about 280.4192740734.

Adding to 22050761 its reverse (16705022), we get a palindrome (38755783).

The spelling of 22050761 in words is "twenty-two million, fifty thousand, seven hundred sixty-one".