222642214 has 4 divisors (see below), whose sum is σ = 333963324. Its totient is φ = 111321106.

The previous prime is 222642181. The next prime is 222642227. The reversal of 222642214 is 412246222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412246222 = 2 ⋅206123111.

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, 55660552 + ... + 55660555.

It is an arithmetic number, because the mean of its divisors is an integer number (83490831).

Almost surely, 2^222642214 is an apocalyptic number.

222642214 is a deficient number, since it is larger than the sum of its proper divisors (111321110).

222642214 is a wasteful number, since it uses less digits than its factorization.

222642214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111321109.

The product of its digits is 3072, while the sum is 25.

The square root of 222642214 is about 14921.2001528027. The cubic root of 222642214 is about 606.0882119879.

Adding to 222642214 its reverse (412246222), we get a palindrome (634888436).

The spelling of 222642214 in words is "two hundred twenty-two million, six hundred forty-two thousand, two hundred fourteen".