719438228 has 12 divisors (see below), whose sum is σ = 1277808672. Its totient is φ = 354350040.

The previous prime is 719438221. The next prime is 719438281. The reversal of 719438228 is 822834917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719438221) 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, 1341968 + ... + 1342503.

It is an arithmetic number, because the mean of its divisors is an integer number (106484056).

Almost surely, 2^719438228 is an apocalyptic number.

It is an amenable number.

719438228 is a deficient number, since it is larger than the sum of its proper divisors (558370444).

719438228 is a wasteful number, since it uses less digits than its factorization.

719438228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684542 (or 2684540 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 719438228 is about 26822.3456841493. The cubic root of 719438228 is about 896.0477842421.

The spelling of 719438228 in words is "seven hundred nineteen million, four hundred thirty-eight thousand, two hundred twenty-eight".