4221700 has 72 divisors (see below), whose sum is σ = 10818752. Its totient is φ = 1399680.

The previous prime is 4221691. The next prime is 4221703. The reversal of 4221700 is 71224.

4221700 = T₁₆₁ + T₁₆₂ + ... + T₃₀₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25819 + ... + 25981.

Almost surely, 2^4221700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5409376).

4221700 is an abundant number, since it is smaller than the sum of its proper divisors (6597052).

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

4221700 is a wasteful number, since it uses less digits than its factorization.

4221700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 214 counting only the distinct ones).

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

The square root of 4221700 is about 2054.6775902803. The cubic root of 4221700 is about 161.6202556873.

Adding to 4221700 its reverse (71224), we get a palindrome (4292924).

The spelling of 4221700 in words is "four million, two hundred twenty-one thousand, seven hundred".