234722220 has 24 divisors (see below), whose sum is σ = 657222384. Its totient is φ = 62592576.

The previous prime is 234722207. The next prime is 234722227. The reversal of 234722220 is 22227432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (234722227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955959 + ... + 1956078.

It is an arithmetic number, because the mean of its divisors is an integer number (27384266).

Almost surely, 2^234722220 is an apocalyptic number.

234722220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234722220 is an abundant number, since it is smaller than the sum of its proper divisors (422500164).

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

234722220 is a wasteful number, since it uses less digits than its factorization.

234722220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912049 (or 3912047 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 234722220 is about 15320.6468531848. The cubic root of 234722220 is about 616.8573370302.

Adding to 234722220 its reverse (22227432), we get a palindrome (256949652).

The spelling of 234722220 in words is "two hundred thirty-four million, seven hundred twenty-two thousand, two hundred twenty".