612116222 has 8 divisors (see below), whose sum is σ = 921071736. Its totient is φ = 305092312.

The previous prime is 612116213. The next prime is 612116231. The reversal of 612116222 is 222611216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (612116213) and next prime (612116231).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482108 + ... + 483375.

It is an arithmetic number, because the mean of its divisors is an integer number (115133967).

Almost surely, 2^612116222 is an apocalyptic number.

612116222 is a deficient number, since it is larger than the sum of its proper divisors (308955514).

612116222 is a wasteful number, since it uses less digits than its factorization.

612116222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965802.

The product of its digits is 576, while the sum is 23.

The square root of 612116222 is about 24740.9826401459. The cubic root of 612116222 is about 849.0722158250.

Adding to 612116222 its reverse (222611216), we get a palindrome (834727438).

The spelling of 612116222 in words is "six hundred twelve million, one hundred sixteen thousand, two hundred twenty-two".