68220942 has 16 divisors (see below), whose sum is σ = 137091072. Its totient is φ = 22632120.

The previous prime is 68220871. The next prime is 68221009. The reversal of 68220942 is 24902286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25678 + ... + 28209.

It is an arithmetic number, because the mean of its divisors is an integer number (8568192).

Almost surely, 2^68220942 is an apocalyptic number.

68220942 is an abundant number, since it is smaller than the sum of its proper divisors (68870130).

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

68220942 is a wasteful number, since it uses less digits than its factorization.

68220942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54103.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68220942 is about 8259.5969635328. The cubic root of 68220942 is about 408.6070955336.

The spelling of 68220942 in words is "sixty-eight million, two hundred twenty thousand, nine hundred forty-two".