722162 has 12 divisors (see below), whose sum is σ = 1260270. Its totient is φ = 309456.

The previous prime is 722159. The next prime is 722167. The reversal of 722162 is 261227.

It can be written as a sum of positive squares in only one way, i.e., 461041 + 261121 = 679^2 + 511^2 .

It is not an unprimeable number, because it can be changed into a prime (722167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3587 + ... + 3782.

2⁷²²¹⁶² is an apocalyptic number.

722162 is a deficient number, since it is larger than the sum of its proper divisors (538108).

722162 is a wasteful number, since it uses less digits than its factorization.

722162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385 (or 7378 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 722162 is about 849.8011532117. The cubic root of 722162 is about 89.7177163704.

Adding to 722162 its reverse (261227), we get a palindrome (983389).

It can be divided in two parts, 722 and 162, that multiplied together give a square (116964 = 342²).

The spelling of 722162 in words is "seven hundred twenty-two thousand, one hundred sixty-two".