700221 has 4 divisors (see below), whose sum is σ = 933632. Its totient is φ = 466812.

The previous prime is 700211. The next prime is 700223. The reversal of 700221 is 122007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 700221 - 2⁹ = 699709 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700197 and 700206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116701 + ... + 116706.

It is an arithmetic number, because the mean of its divisors is an integer number (233408).

2⁷⁰⁰²²¹ is an apocalyptic number.

It is an amenable number.

700221 is a deficient number, since it is larger than the sum of its proper divisors (233411).

700221 is a wasteful number, since it uses less digits than its factorization.

700221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233410.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 700221 is about 836.7920888727. The cubic root of 700221 is about 88.7997433237.

Adding to 700221 its reverse (122007), we get a palindrome (822228).

The spelling of 700221 in words is "seven hundred thousand, two hundred twenty-one", and thus it is an iban number.