234220072 has 32 divisors (see below), whose sum is σ = 447301800. Its totient is φ = 114960384.

The previous prime is 234220061. The next prime is 234220073. The reversal of 234220072 is 270022432.

It can be written as a sum of positive squares in 4 ways, for example, as 143856036 + 90364036 = 11994^2 + 9506^2 .

It is not an unprimeable number, because it can be changed into a prime (234220073) 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, 97348 + ... + 99724.

Almost surely, 2^234220072 is an apocalyptic number.

It is an amenable number.

234220072 is a deficient number, since it is larger than the sum of its proper divisors (213081728).

234220072 is a wasteful number, since it uses less digits than its factorization.

234220072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 234220072 is about 15304.2501286407. The cubic root of 234220072 is about 616.4171360850.

The spelling of 234220072 in words is "two hundred thirty-four million, two hundred twenty thousand, seventy-two".