234311022 has 64 divisors (see below), whose sum is σ = 569963520. Its totient is φ = 70761600.

The previous prime is 234311003. The next prime is 234311053. The reversal of 234311022 is 220113432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 234310986 and 234311004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256747 + ... + 257657.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^234311022 is an apocalyptic number.

234311022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 234311022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284981760).

234311022 is an abundant number, since it is smaller than the sum of its proper divisors (335652498).

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

234311022 is a wasteful number, since it uses less digits than its factorization.

234311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 234311022 is about 15307.2212370502. The cubic root of 234311022 is about 616.4969127426.

Adding to 234311022 its reverse (220113432), we get a palindrome (454424454).

The spelling of 234311022 in words is "two hundred thirty-four million, three hundred eleven thousand, twenty-two".