42344228 has 6 divisors (see below), whose sum is σ = 74102406. Its totient is φ = 21172112.

The previous prime is 42344189. The next prime is 42344231. The reversal of 42344228 is 82244324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39413284 + 2930944 = 6278^2 + 1712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42344228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293025 + ... + 5293032.

It is an arithmetic number, because the mean of its divisors is an integer number (12350401).

Almost surely, 2^42344228 is an apocalyptic number.

It is an amenable number.

42344228 is a deficient number, since it is larger than the sum of its proper divisors (31758178).

42344228 is a wasteful number, since it uses less digits than its factorization.

42344228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586061 (or 10586059 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 42344228 is about 6507.2442708108. The cubic root of 42344228 is about 348.5497212970.

The spelling of 42344228 in words is "forty-two million, three hundred forty-four thousand, two hundred twenty-eight".