4216522 has 8 divisors (see below), whose sum is σ = 6479172. Its totient is φ = 2056800.

The previous prime is 4216517. The next prime is 4216523. The reversal of 4216522 is 2256124.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 212521 = 2001^2 + 461^2 .

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 = 4216493 and 4216502.

It is not an unprimeable number, because it can be changed into a prime (4216523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25629 + ... + 25792.

Almost surely, 2^4216522 is an apocalyptic number.

4216522 is a deficient number, since it is larger than the sum of its proper divisors (2262650).

4216522 is a wasteful number, since it uses less digits than its factorization.

4216522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51464.

The product of its digits is 960, while the sum is 22.

The square root of 4216522 is about 2053.4171519689. The cubic root of 4216522 is about 161.5541518221.

The spelling of 4216522 in words is "four million, two hundred sixteen thousand, five hundred twenty-two".