1220310234 has 96 divisors (see below), whose sum is σ = 3131541504. Its totient is φ = 338567040.

The previous prime is 1220310233. The next prime is 1220310251. The reversal of 1220310234 is 4320130221.

1220310234 is a `hidden beast` number, since 122 + 0 + 310 + 234 = 666.

1220310234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1220310233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325032 + ... + 328764.

It is an arithmetic number, because the mean of its divisors is an integer number (32620224).

Almost surely, 2^1220310234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220310234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565770752).

1220310234 is an abundant number, since it is smaller than the sum of its proper divisors (1911231270).

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

1220310234 is a wasteful number, since it uses less digits than its factorization.

1220310234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3889 counting only the distinct ones).

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

The square root of 1220310234 is about 34932.9390976482. The cubic root of 1220310234 is about 1068.6202946728.

Adding to 1220310234 its reverse (4320130221), we get a palindrome (5540440455).

The spelling of 1220310234 in words is "one billion, two hundred twenty million, three hundred ten thousand, two hundred thirty-four".