4221070 has 32 divisors (see below), whose sum is σ = 8875008. Its totient is φ = 1415328.

The previous prime is 4221047. The next prime is 4221109. The reversal of 4221070 is 701224.

It is a super-4 number, since 4×4221070⁴ (a number of 28 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (277344).

Almost surely, 2^4221070 is an apocalyptic number.

4221070 is an abundant number, since it is smaller than the sum of its proper divisors (4653938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221070 is a wasteful number, since it uses less digits than its factorization.

4221070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4221070 is about 2054.5242758361. The cubic root of 4221070 is about 161.6122158118.

Adding to 4221070 its reverse (701224), we get a palindrome (4922294).

It can be divided in two parts, 42 and 21070, that added together give a palindrome (21112).

The spelling of 4221070 in words is "four million, two hundred twenty-one thousand, seventy".