234222440 has 32 divisors (see below), whose sum is σ = 528180480. Its totient is φ = 93479232.

The previous prime is 234222437. The next prime is 234222509. The reversal of 234222440 is 44222432.

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, 12197 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (16505640).

Almost surely, 2^234222440 is an apocalyptic number.

234222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234222440 is an abundant number, since it is smaller than the sum of its proper divisors (293958040).

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

234222440 is a wasteful number, since it uses less digits than its factorization.

234222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121 (or 13117 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 234222440 is about 15304.3274925754. The cubic root of 234222440 is about 616.4192134345.

Adding to 234222440 its reverse (44222432), we get a palindrome (278444872).

The spelling of 234222440 in words is "two hundred thirty-four million, two hundred twenty-two thousand, four hundred forty".