68561222 has 8 divisors (see below), whose sum is σ = 105621456. Its totient is φ = 33354072.

The previous prime is 68561219. The next prime is 68561231. The reversal of 68561222 is 22216586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 463178 + ... + 463325.

It is an arithmetic number, because the mean of its divisors is an integer number (13202682).

Almost surely, 2^68561222 is an apocalyptic number.

68561222 is a deficient number, since it is larger than the sum of its proper divisors (37060234).

68561222 is a wasteful number, since it uses less digits than its factorization.

68561222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926542.

The product of its digits is 11520, while the sum is 32.

The square root of 68561222 is about 8280.1704088744. The cubic root of 68561222 is about 409.2853344167.

The spelling of 68561222 in words is "sixty-eight million, five hundred sixty-one thousand, two hundred twenty-two".