22277783329 has 4 divisors (see below), whose sum is σ = 22821143940. Its totient is φ = 21734422720.

The previous prime is 22277783261. The next prime is 22277783389. The reversal of 22277783329 is 92338777222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3019282704 + 19258500625 = 54948^2 + 138775^2 .

It is a cyclic number.

It is not a de Polignac number, because 22277783329 - 2⁷ = 22277783201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22277783389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271680244 + ... + 271680325.

It is an arithmetic number, because the mean of its divisors is an integer number (5705285985).

Almost surely, 2^22277783329 is an apocalyptic number.

It is an amenable number.

22277783329 is a deficient number, since it is larger than the sum of its proper divisors (543360611).

22277783329 is an equidigital number, since it uses as much as digits as its factorization.

22277783329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543360610.

The product of its digits is 3556224, while the sum is 52.

The spelling of 22277783329 in words is "twenty-two billion, two hundred seventy-seven million, seven hundred eighty-three thousand, three hundred twenty-nine".