2689229722 has 8 divisors (see below), whose sum is σ = 4034090772. Its totient is φ = 1344532800.

The previous prime is 2689229693. The next prime is 2689229723. The reversal of 2689229722 is 2279229862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2674027521 + 15202201 = 51711^2 + 3899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2689229723) 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 in 3 ways as a sum of consecutive naturals, for example, 15522 + ... + 74962.

Almost surely, 2^2689229722 is an apocalyptic number.

2689229722 is a deficient number, since it is larger than the sum of its proper divisors (1344861050).

2689229722 is a wasteful number, since it uses less digits than its factorization.

2689229722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82064.

The product of its digits is 870912, while the sum is 49.

The square root of 2689229722 is about 51857.7836202050. The cubic root of 2689229722 is about 1390.6226567024.

The spelling of 2689229722 in words is "two billion, six hundred eighty-nine million, two hundred twenty-nine thousand, seven hundred twenty-two".