720222253 has 8 divisors (see below), whose sum is σ = 752116608. Its totient is φ = 688376304.

The previous prime is 720222241. The next prime is 720222257. The reversal of 720222253 is 352222027.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720222253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720222257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20176 + ... + 42982.

It is an arithmetic number, because the mean of its divisors is an integer number (94014576).

Almost surely, 2^720222253 is an apocalyptic number.

It is an amenable number.

720222253 is a deficient number, since it is larger than the sum of its proper divisors (31894355).

720222253 is a wasteful number, since it uses less digits than its factorization.

720222253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 720222253 is about 26836.9568505820. The cubic root of 720222253 is about 896.3731625691.

The spelling of 720222253 in words is "seven hundred twenty million, two hundred twenty-two thousand, two hundred fifty-three".