68222408 has 16 divisors (see below), whose sum is σ = 130086000. Its totient is φ = 33532816.

The previous prime is 68222321. The next prime is 68222417. The reversal of 68222408 is 80422286.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71798 + ... + 72741.

It is an arithmetic number, because the mean of its divisors is an integer number (8130375).

Almost surely, 2^68222408 is an apocalyptic number.

It is an amenable number.

68222408 is a deficient number, since it is larger than the sum of its proper divisors (61863592).

68222408 is a wasteful number, since it uses less digits than its factorization.

68222408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144604 (or 144600 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 68222408 is about 8259.6857083063. The cubic root of 68222408 is about 408.6100223656.

The spelling of 68222408 in words is "sixty-eight million, two hundred twenty-two thousand, four hundred eight".