2268893444 has 6 divisors (see below), whose sum is σ = 3970563534. Its totient is φ = 1134446720.

The previous prime is 2268893411. The next prime is 2268893449. The reversal of 2268893444 is 4443988622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1347770944 + 921122500 = 36712^2 + 30350^2 .

It is a super-2 number, since 2×2268893444² = 10295754920452362272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2268893392 and 2268893401.

It is not an unprimeable number, because it can be changed into a prime (2268893449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283611677 + ... + 283611684.

It is an arithmetic number, because the mean of its divisors is an integer number (661760589).

Almost surely, 2^2268893444 is an apocalyptic number.

It is an amenable number.

2268893444 is a deficient number, since it is larger than the sum of its proper divisors (1701670090).

2268893444 is a wasteful number, since it uses less digits than its factorization.

2268893444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567223365 (or 567223363 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The square root of 2268893444 is about 47632.9029558351. The cubic root of 2268893444 is about 1314.0282437921.

The spelling of 2268893444 in words is "two billion, two hundred sixty-eight million, eight hundred ninety-three thousand, four hundred forty-four".