702216220 has 24 divisors (see below), whose sum is σ = 1538770464. Its totient is φ = 268673856.

The previous prime is 702216209. The next prime is 702216223. The reversal of 702216220 is 22612207.

It is a junction number, because it is equal to n+sod(n) for n = 702216191 and 702216200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702216223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762819 + ... + 763738.

It is an arithmetic number, because the mean of its divisors is an integer number (64115436).

Almost surely, 2^702216220 is an apocalyptic number.

It is an amenable number.

702216220 is an abundant number, since it is smaller than the sum of its proper divisors (836554244).

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

702216220 is a wasteful number, since it uses less digits than its factorization.

702216220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526589 (or 1526587 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 702216220 is about 26499.3626338446. The cubic root of 702216220 is about 888.8400577226.

Adding to 702216220 its reverse (22612207), we get a palindrome (724828427).

The spelling of 702216220 in words is "seven hundred two million, two hundred sixteen thousand, two hundred twenty".