1234220342 has 16 divisors (see below), whose sum is σ = 1944799200. Its totient is φ = 586314432.

The previous prime is 1234220341. The next prime is 1234220363. The reversal of 1234220342 is 2430224321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234220341) 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, 83183 + ... + 96890.

It is an arithmetic number, because the mean of its divisors is an integer number (121549950).

Almost surely, 2^1234220342 is an apocalyptic number.

1234220342 is a deficient number, since it is larger than the sum of its proper divisors (710578858).

1234220342 is a wasteful number, since it uses less digits than its factorization.

1234220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180247.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1234220342 is about 35131.4722435596. The cubic root of 1234220342 is about 1072.6653040213.

Adding to 1234220342 its reverse (2430224321), we get a palindrome (3664444663).

The spelling of 1234220342 in words is "one billion, two hundred thirty-four million, two hundred twenty thousand, three hundred forty-two".