705222240 has 192 divisors, whose sum is σ = 2384121600. Its totient is φ = 174680064.

The previous prime is 705222239. The next prime is 705222241. The reversal of 705222240 is 42222507.

It is an interprime number because it is at equal distance from previous prime (705222239) and next prime (705222241).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 705222240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482631 + ... + 484089.

It is an arithmetic number, because the mean of its divisors is an integer number (12417300).

Almost surely, 2^705222240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192060800).

705222240 is an abundant number, since it is smaller than the sum of its proper divisors (1678899360).

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

705222240 is a wasteful number, since it uses less digits than its factorization.

705222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 705222240 is about 26556.0207862549. The cubic root of 705222240 is about 890.1065562778.

Adding to 705222240 its reverse (42222507), we get a palindrome (747444747).

It can be divided in two parts, 7052 and 22240, that added together give a palindrome (29292).

The spelling of 705222240 in words is "seven hundred five million, two hundred twenty-two thousand, two hundred forty".