344694228 has 24 divisors (see below), whose sum is σ = 808735200. Its totient is φ = 114262560.

The previous prime is 344694221. The next prime is 344694271. The reversal of 344694228 is 822496443.

It is a super-2 number, since 2×344694228² = 237628221633031968, 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 344694228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344694221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77178 + ... + 81521.

It is an arithmetic number, because the mean of its divisors is an integer number (33697300).

Almost surely, 2^344694228 is an apocalyptic number.

It is an amenable number.

344694228 is an abundant number, since it is smaller than the sum of its proper divisors (464040972).

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

344694228 is a wasteful number, since it uses less digits than its factorization.

344694228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158887 (or 158885 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 344694228 is about 18565.9426908520. The cubic root of 344694228 is about 701.1506436170.

The spelling of 344694228 in words is "three hundred forty-four million, six hundred ninety-four thousand, two hundred twenty-eight".