2442222166 has 4 divisors (see below), whose sum is σ = 3663333252. Its totient is φ = 1221111082.

The previous prime is 2442222161. The next prime is 2442222173. The reversal of 2442222166 is 6612222442.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442222161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610555540 + ... + 610555543.

It is an arithmetic number, because the mean of its divisors is an integer number (915833313).

Almost surely, 2^2442222166 is an apocalyptic number.

2442222166 is a deficient number, since it is larger than the sum of its proper divisors (1221111086).

2442222166 is a wasteful number, since it uses less digits than its factorization.

2442222166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221111085.

The product of its digits is 18432, while the sum is 31.

The square root of 2442222166 is about 49418.8442398241. The cubic root of 2442222166 is about 1346.6716667162.

The spelling of 2442222166 in words is "two billion, four hundred forty-two million, two hundred twenty-two thousand, one hundred sixty-six".