22051061761 has 2 divisors, whose sum is σ = 22051061762. Its totient is φ = 22051061760.

The previous prime is 22051061749. The next prime is 22051061797. The reversal of 22051061761 is 16716015022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17624155536 + 4426906225 = 132756^2 + 66535^2 .

It is a cyclic number.

It is not a de Polignac number, because 22051061761 - 2⁵ = 22051061729 is a prime.

It is a super-2 number, since 2×22051061761² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22051068761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025530880 + 11025530881.

It is an arithmetic number, because the mean of its divisors is an integer number (11025530881).

Almost surely, 2^22051061761 is an apocalyptic number.

It is an amenable number.

22051061761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22051061761 is an equidigital number, since it uses as much as digits as its factorization.

22051061761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 22051061761 its reverse (16716015022), we get a palindrome (38767076783).

The spelling of 22051061761 in words is "twenty-two billion, fifty-one million, sixty-one thousand, seven hundred sixty-one".