2272722436 has 6 divisors (see below), whose sum is σ = 3977264270. Its totient is φ = 1136361216.

The previous prime is 2272722407. The next prime is 2272722451. The reversal of 2272722436 is 6342272722.

It can be written as a sum of positive squares in only one way, i.e., 2236722436 + 36000000 = 47294^2 + 6000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2272722395 and 2272722404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284090301 + ... + 284090308.

Almost surely, 2^2272722436 is an apocalyptic number.

It is an amenable number.

2272722436 is a deficient number, since it is larger than the sum of its proper divisors (1704541834).

2272722436 is a wasteful number, since it uses less digits than its factorization.

2272722436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568180613 (or 568180611 counting only the distinct ones).

The product of its digits is 112896, while the sum is 37.

The square root of 2272722436 is about 47673.0787342290. The cubic root of 2272722436 is about 1314.7670144851.

The spelling of 2272722436 in words is "two billion, two hundred seventy-two million, seven hundred twenty-two thousand, four hundred thirty-six".