68222336 has 64 divisors (see below), whose sum is σ = 167304480. Its totient is φ = 26984448.

The previous prime is 68222321. The next prime is 68222417. The reversal of 68222336 is 63322286.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 8720 + ... + 14576.

Almost surely, 2^68222336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68222336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83652240).

68222336 is an abundant number, since it is smaller than the sum of its proper divisors (99082144).

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

68222336 is a wasteful number, since it uses less digits than its factorization.

68222336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891 (or 5879 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 68222336 is about 8259.6813497858. The cubic root of 68222336 is about 408.6098786204.

The spelling of 68222336 in words is "sixty-eight million, two hundred twenty-two thousand, three hundred thirty-six".