4228931656 has 8 divisors (see below), whose sum is σ = 7929246870. Its totient is φ = 2114465824.

The previous prime is 4228931653. The next prime is 4228931657. The reversal of 4228931656 is 6561398224.

It can be written as a sum of positive squares in only one way, i.e., 3054772900 + 1174158756 = 55270^2 + 34266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4228931656² = 35767725902237804672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4228931653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264308221 + ... + 264308236.

Almost surely, 2^4228931656 is an apocalyptic number.

It is an amenable number.

4228931656 is a deficient number, since it is larger than the sum of its proper divisors (3700315214).

4228931656 is a wasteful number, since it uses less digits than its factorization.

4228931656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528616463 (or 528616459 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 4228931656 is about 65030.2364750429. The cubic root of 4228931656 is about 1617.1248672866.

The spelling of 4228931656 in words is "four billion, two hundred twenty-eight million, nine hundred thirty-one thousand, six hundred fifty-six".