1740222 has 72 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 485760.

The previous prime is 1740209. The next prime is 1740223. The reversal of 1740222 is 2220471.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1740195 and 1740204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740223) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 37003 + ... + 37049.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1740222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1740222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240784).

1740222 is an abundant number, since it is smaller than the sum of its proper divisors (2741346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1740222 is a wasteful number, since it uses less digits than its factorization.

1740222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1740222 is about 1319.1747420262. The cubic root of 1740222 is about 120.2822522600.

Adding to 1740222 its reverse (2220471), we get a palindrome (3960693).

Subtracting 1740222 from its reverse (2220471), we obtain a square (480249 = 693²).

It can be divided in two parts, 17402 and 22, that added together give a square (17424 = 132²).

The spelling of 1740222 in words is "one million, seven hundred forty thousand, two hundred twenty-two".