464420228 has 12 divisors (see below), whose sum is σ = 813538572. Its totient is φ = 231980640.

The previous prime is 464420227. The next prime is 464420237. The reversal of 464420228 is 822024464.

It can be written as a sum of positive squares in 2 ways, for example, as 328044544 + 136375684 = 18112^2 + 11678^2 .

It is a super-2 number, since 2×464420228² = 431372296351143968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 464420194 and 464420203.

It is not an unprimeable number, because it can be changed into a prime (464420227) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 52775 + ... + 60942.

It is an arithmetic number, because the mean of its divisors is an integer number (67794881).

Almost surely, 2^464420228 is an apocalyptic number.

It is an amenable number.

464420228 is a deficient number, since it is larger than the sum of its proper divisors (349118344).

464420228 is a wasteful number, since it uses less digits than its factorization.

464420228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114742 (or 114740 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 464420228 is about 21550.4113185804. The cubic root of 464420228 is about 774.4089717936.

The spelling of 464420228 in words is "four hundred sixty-four million, four hundred twenty thousand, two hundred twenty-eight".