224542166 has 4 divisors (see below), whose sum is σ = 336813252. Its totient is φ = 112271082.

The previous prime is 224542151. The next prime is 224542181. The reversal of 224542166 is 661245422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661245422 = 2 ⋅330622711.

It is an interprime number because it is at equal distance from previous prime (224542151) and next prime (224542181).

It is a Curzon number.

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, 56135540 + ... + 56135543.

It is an arithmetic number, because the mean of its divisors is an integer number (84203313).

Almost surely, 2^224542166 is an apocalyptic number.

224542166 is a deficient number, since it is larger than the sum of its proper divisors (112271086).

224542166 is a wasteful number, since it uses less digits than its factorization.

224542166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112271085.

The product of its digits is 23040, while the sum is 32.

The square root of 224542166 is about 14984.7310953517. The cubic root of 224542166 is about 607.8073803350.

Adding to 224542166 its reverse (661245422), we get a palindrome (885787588).

The spelling of 224542166 in words is "two hundred twenty-four million, five hundred forty-two thousand, one hundred sixty-six".