740222 has 16 divisors (see below), whose sum is σ = 1304160. Its totient is φ = 308448.

The previous prime is 740191. The next prime is 740227. The reversal of 740222 is 222047.

740222 is a modest number, since divided by 222 gives 74 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 740222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740227) by changing a digit.

740222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (81510).

2⁷⁴⁰²²² is an apocalyptic number.

740222 is a deficient number, since it is larger than the sum of its proper divisors (563938).

740222 is a wasteful number, since it uses less digits than its factorization.

740222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

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

The square root of 740222 is about 860.3615519071. The cubic root of 740222 is about 90.4594611024.

Adding to 740222 its reverse (222047), we get a palindrome (962269).

The spelling of 740222 in words is "seven hundred forty thousand, two hundred twenty-two", and thus it is an iban number.