4217222 has 4 divisors (see below), whose sum is σ = 6325836. Its totient is φ = 2108610.

The previous prime is 4217203. The next prime is 4217231. The reversal of 4217222 is 2227124.

It is a happy number.

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

It is a super-2 number, since 2×4217222² = 35569922794568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 2⁵ + 1 + 7⁴ + 2¹² + 2¹⁴ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4217194 and 4217203.

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, 1054304 + ... + 1054307.

It is an arithmetic number, because the mean of its divisors is an integer number (1581459).

Almost surely, 2^4217222 is an apocalyptic number.

4217222 is a deficient number, since it is larger than the sum of its proper divisors (2108614).

4217222 is a wasteful number, since it uses less digits than its factorization.

4217222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108613.

The product of its digits is 448, while the sum is 20.

The square root of 4217222 is about 2053.5875924830. The cubic root of 4217222 is about 161.5630913895.

The spelling of 4217222 in words is "four million, two hundred seventeen thousand, two hundred twenty-two".