68604422 has 4 divisors (see below), whose sum is σ = 102906636. Its totient is φ = 34302210.

The previous prime is 68604413. The next prime is 68604427. The reversal of 68604422 is 22440686.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68604427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17151104 + ... + 17151107.

It is an arithmetic number, because the mean of its divisors is an integer number (25726659).

Almost surely, 2^68604422 is an apocalyptic number.

68604422 is a deficient number, since it is larger than the sum of its proper divisors (34302214).

68604422 is a wasteful number, since it uses less digits than its factorization.

68604422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34302213.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 68604422 is about 8282.7786400459. The cubic root of 68604422 is about 409.3712790836.

The spelling of 68604422 in words is "sixty-eight million, six hundred four thousand, four hundred twenty-two".