4213402221 has 8 divisors (see below), whose sum is σ = 6420422464. Its totient is φ = 2407658400.

The previous prime is 4213402217. The next prime is 4213402229. The reversal of 4213402221 is 1222043124.

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

It is not a de Polignac number, because 4213402221 - 2² = 4213402217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 200638201 = 4213402221 / (4 + 2 + 1 + 3 + 4 + 0 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100319080 + ... + 100319121.

It is an arithmetic number, because the mean of its divisors is an integer number (802552808).

Almost surely, 2^4213402221 is an apocalyptic number.

It is an amenable number.

4213402221 is a deficient number, since it is larger than the sum of its proper divisors (2207020243).

4213402221 is a wasteful number, since it uses less digits than its factorization.

4213402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200638211.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4213402221 is about 64910.7250075055. The cubic root of 4213402221 is about 1615.1429767951.

Adding to 4213402221 its reverse (1222043124), we get a palindrome (5435445345).

The spelling of 4213402221 in words is "four billion, two hundred thirteen million, four hundred two thousand, two hundred twenty-one".