700841221 has 2 divisors, whose sum is σ = 700841222. Its totient is φ = 700841220.

The previous prime is 700841191. The next prime is 700841279. The reversal of 700841221 is 122148007.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351562500 + 349278721 = 18750^2 + 18689^2 .

It is a cyclic number.

It is not a de Polignac number, because 700841221 - 2¹¹ = 700839173 is a prime.

It is a super-3 number, since 3×700841221³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700841321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350420610 + 350420611.

It is an arithmetic number, because the mean of its divisors is an integer number (350420611).

Almost surely, 2^700841221 is an apocalyptic number.

It is an amenable number.

700841221 is a deficient number, since it is larger than the sum of its proper divisors (1).

700841221 is an equidigital number, since it uses as much as digits as its factorization.

700841221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 700841221 is about 26473.4059199038. The cubic root of 700841221 is about 888.2595372132.

Adding to 700841221 its reverse (122148007), we get a palindrome (822989228).

The spelling of 700841221 in words is "seven hundred million, eight hundred forty-one thousand, two hundred twenty-one".