1608116222 has 4 divisors (see below), whose sum is σ = 2412174336. Its totient is φ = 804058110.

The previous prime is 1608116219. The next prime is 1608116299. The reversal of 1608116222 is 2226118061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2226118061 = 37 ⋅60165353.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402029054 + ... + 402029057.

It is an arithmetic number, because the mean of its divisors is an integer number (603043584).

Almost surely, 2^1608116222 is an apocalyptic number.

1608116222 is a deficient number, since it is larger than the sum of its proper divisors (804058114).

1608116222 is an equidigital number, since it uses as much as digits as its factorization.

1608116222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804058113.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1608116222 is about 40101.3244419682. The cubic root of 1608116222 is about 1171.5814254422.

The spelling of 1608116222 in words is "one billion, six hundred eight million, one hundred sixteen thousand, two hundred twenty-two".