720222002 has 8 divisors (see below), whose sum is σ = 1080636012. Its totient is φ = 360010000.

The previous prime is 720222001. The next prime is 720222043. The reversal of 720222002 is 200222027.

It can be written as a sum of positive squares in 2 ways, for example, as 602260681 + 117961321 = 24541^2 + 10861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (720222001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41249 + ... + 56052.

Almost surely, 2^720222002 is an apocalyptic number.

720222002 is a deficient number, since it is larger than the sum of its proper divisors (360414010).

720222002 is a wasteful number, since it uses less digits than its factorization.

720222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101004.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 720222002 is about 26836.9521741944. The cubic root of 720222002 is about 896.3730584393.

Adding to 720222002 its reverse (200222027), we get a palindrome (920444029).

The spelling of 720222002 in words is "seven hundred twenty million, two hundred twenty-two thousand, two".