344404228 has 12 divisors (see below), whose sum is σ = 688808512. Its totient is φ = 147601800.

The previous prime is 344404219. The next prime is 344404253. The reversal of 344404228 is 822404443.

344404228 is an admirable number.

It is a super-2 number, since 2×344404228² = 237228544528551968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344404228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6150048 + ... + 6150103.

Almost surely, 2^344404228 is an apocalyptic number.

It is an amenable number.

344404228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344404228 is a wasteful number, since it uses less digits than its factorization.

344404228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12300162 (or 12300160 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 344404228 is about 18558.1310481417. The cubic root of 344404228 is about 700.9539565051.

The spelling of 344404228 in words is "three hundred forty-four million, four hundred four thousand, two hundred twenty-eight".