722210122 has 8 divisors (see below), whose sum is σ = 1087313472. Its totient is φ = 359772300.

The previous prime is 722210119. The next prime is 722210123. The reversal of 722210122 is 221012227.

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

It is a self number, because there is not a number n which added to its sum of digits gives 722210122.

It is not an unprimeable number, because it can be changed into a prime (722210123) 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, 665704 + ... + 666787.

It is an arithmetic number, because the mean of its divisors is an integer number (135914184).

Almost surely, 2^722210122 is an apocalyptic number.

722210122 is a deficient number, since it is larger than the sum of its proper divisors (365103350).

722210122 is a wasteful number, since it uses less digits than its factorization.

722210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332764.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 722210122 is about 26873.9673662078. The cubic root of 722210122 is about 897.1970913659.

Adding to 722210122 its reverse (221012227), we get a palindrome (943222349).

The spelling of 722210122 in words is "seven hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".