68223405 has 32 divisors (see below), whose sum is σ = 117596160. Its totient is φ = 33675840.

The previous prime is 68223401. The next prime is 68223409. The reversal of 68223405 is 50432286.

It is an interprime number because it is at equal distance from previous prime (68223401) and next prime (68223409).

It is not a de Polignac number, because 68223405 - 2² = 68223401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68223401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7506 + ... + 13884.

It is an arithmetic number, because the mean of its divisors is an integer number (3674880).

Almost surely, 2^68223405 is an apocalyptic number.

It is an amenable number.

68223405 is a deficient number, since it is larger than the sum of its proper divisors (49372755).

68223405 is a wasteful number, since it uses less digits than its factorization.

68223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 68223405 is about 8259.7460614719. The cubic root of 68223405 is about 408.6120128270.

The spelling of 68223405 in words is "sixty-eight million, two hundred twenty-three thousand, four hundred five".