344228427 has 32 divisors (see below), whose sum is σ = 554587200. Its totient is φ = 210138624.

The previous prime is 344228407. The next prime is 344228447. The reversal of 344228427 is 724822443.

344228427 is a `hidden beast` number, since 3 + 4 + 4 + 228 + 427 = 666.

It is an interprime number because it is at equal distance from previous prime (344228407) and next prime (344228447).

It is not a de Polignac number, because 344228427 - 2⁶ = 344228363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344228391 and 344228400.

It is not an unprimeable number, because it can be changed into a prime (344228407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6849 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (17330850).

Almost surely, 2^344228427 is an apocalyptic number.

344228427 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

344228427 is a deficient number, since it is larger than the sum of its proper divisors (210358773).

344228427 is a wasteful number, since it uses less digits than its factorization.

344228427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332 (or 20326 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 344228427 is about 18553.3939482780. The cubic root of 344228427 is about 700.8346689841.

It can be divided in two parts, 34422 and 8427, that added together give a square (42849 = 207²).

The spelling of 344228427 in words is "three hundred forty-four million, two hundred twenty-eight thousand, four hundred twenty-seven".