4145222 has 8 divisors (see below), whose sum is σ = 6323400. Its totient is φ = 2037424.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145222 is 2225414.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4145194 and 4145203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17447 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (790425).

Almost surely, 2^4145222 is an apocalyptic number.

4145222 is a deficient number, since it is larger than the sum of its proper divisors (2178178).

4145222 is a wasteful number, since it uses less digits than its factorization.

4145222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35190.

The product of its digits is 640, while the sum is 20.

The square root of 4145222 is about 2035.9818270309. The cubic root of 4145222 is about 160.6383611650.

The spelling of 4145222 in words is "four million, one hundred forty-five thousand, two hundred twenty-two".