342220340 has 96 divisors (see below), whose sum is σ = 899942400. Its totient is φ = 106197120.

The previous prime is 342220331. The next prime is 342220349. The reversal of 342220340 is 43022243.

It is an interprime number because it is at equal distance from previous prime (342220331) and next prime (342220349).

It is a super-2 number, since 2×342220340² = 234229522219431200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342220349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552551 + ... + 553169.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^342220340 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 342220340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449971200).

342220340 is an abundant number, since it is smaller than the sum of its proper divisors (557722060).

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

342220340 is a wasteful number, since it uses less digits than its factorization.

342220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 342220340 is about 18499.1983610101. The cubic root of 342220340 is about 699.4692166766.

Adding to 342220340 its reverse (43022243), we get a palindrome (385242583).

It can be divided in two parts, 3422203 and 40, that added together give a palindrome (3422243).

The spelling of 342220340 in words is "three hundred forty-two million, two hundred twenty thousand, three hundred forty".