342223040 has 56 divisors (see below), whose sum is σ = 816589680. Its totient is φ = 136608768.

The previous prime is 342223019. The next prime is 342223061. The reversal of 342223040 is 40322243.

It is an interprime number because it is at equal distance from previous prime (342223019) and next prime (342223061).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233831 + ... + 235289.

Almost surely, 2^342223040 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 342223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408294840).

342223040 is an abundant number, since it is smaller than the sum of its proper divisors (474366640).

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

342223040 is a wasteful number, since it uses less digits than its factorization.

342223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2199 counting only the distinct ones).

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

The square root of 342223040 is about 18499.2713370014. The cubic root of 342223040 is about 699.4710561951.

Adding to 342223040 its reverse (40322243), we get a palindrome (382545283).

It can be divided in two parts, 3422 and 23040, that added together give a palindrome (26462).

The spelling of 342223040 in words is "three hundred forty-two million, two hundred twenty-three thousand, forty".