4215422 has 8 divisors (see below), whose sum is σ = 6695136. Its totient is φ = 1983712.

The previous prime is 4215413. The next prime is 4215427. The reversal of 4215422 is 2245124.

It is a happy number.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 2¹² + 1 + 5³ + 4⁴ + 2¹⁴ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4215394 and 4215403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215427) 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, 61958 + ... + 62025.

It is an arithmetic number, because the mean of its divisors is an integer number (836892).

Almost surely, 2^4215422 is an apocalyptic number.

4215422 is a deficient number, since it is larger than the sum of its proper divisors (2479714).

4215422 is a wasteful number, since it uses less digits than its factorization.

4215422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124002.

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

The square root of 4215422 is about 2053.1492882886. The cubic root of 4215422 is about 161.5401019311.

The spelling of 4215422 in words is "four million, two hundred fifteen thousand, four hundred twenty-two".