722342 has 8 divisors (see below), whose sum is σ = 1140600. Its totient is φ = 342144.

The previous prime is 722341. The next prime is 722353. The reversal of 722342 is 243227.

It is a happy number.

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

It is a d-powerful number, because it can be written as 7⁵ + 2¹² + 3¹¹ + 2¹⁸ + 4 + 2¹⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722341) 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, 9467 + ... + 9542.

It is an arithmetic number, because the mean of its divisors is an integer number (142575).

2⁷²²³⁴² is an apocalyptic number.

722342 is a deficient number, since it is larger than the sum of its proper divisors (418258).

722342 is a wasteful number, since it uses less digits than its factorization.

722342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030.

The product of its digits is 672, while the sum is 20.

The square root of 722342 is about 849.9070537418. The cubic root of 722342 is about 89.7251698445.

Adding to 722342 its reverse (243227), we get a palindrome (965569).

The spelling of 722342 in words is "seven hundred twenty-two thousand, three hundred forty-two", and thus it is an iban number.