68442230 has 32 divisors (see below), whose sum is σ = 127897056. Its totient is φ = 26348544.

The previous prime is 68442223. The next prime is 68442251. The reversal of 68442230 is 3224486.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 68442193 and 68442202.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 34937 + ... + 36843.

It is an arithmetic number, because the mean of its divisors is an integer number (3996783).

Almost surely, 2^68442230 is an apocalyptic number.

68442230 is a deficient number, since it is larger than the sum of its proper divisors (59454826).

68442230 is a wasteful number, since it uses less digits than its factorization.

68442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 68442230 is about 8272.9819291474. The cubic root of 68442230 is about 409.0484177790.

The spelling of 68442230 in words is "sixty-eight million, four hundred forty-two thousand, two hundred thirty".