68422242 has 16 divisors (see below), whose sum is σ = 156393792. Its totient is φ = 19549200.

The previous prime is 68422219. The next prime is 68422247. The reversal of 68422242 is 24222486.

It is not an unprimeable number, because it can be changed into a prime (68422247) 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, 814509 + ... + 814592.

It is an arithmetic number, because the mean of its divisors is an integer number (9774612).

Almost surely, 2^68422242 is an apocalyptic number.

68422242 is an abundant number, since it is smaller than the sum of its proper divisors (87971550).

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

68422242 is a wasteful number, since it uses less digits than its factorization.

68422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629113.

The product of its digits is 12288, while the sum is 30.

The square root of 68422242 is about 8271.7738121880. The cubic root of 68422242 is about 409.0085941407.

It can be divided in two parts, 6 and 8422242, that added together give a palindrome (8422248).

The spelling of 68422242 in words is "sixty-eight million, four hundred twenty-two thousand, two hundred forty-two".