2321220342 has 32 divisors (see below), whose sum is σ = 5308579584. Its totient is φ = 662839200.

The previous prime is 2321220337. The next prime is 2321220359. The reversal of 2321220342 is 2430221232.

It is a super-2 number, since 2×2321220342² = 10776127752229193928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66792 + ... + 95412.

It is an arithmetic number, because the mean of its divisors is an integer number (165893112).

Almost surely, 2^2321220342 is an apocalyptic number.

2321220342 is an abundant number, since it is smaller than the sum of its proper divisors (2987359242).

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

2321220342 is a wasteful number, since it uses less digits than its factorization.

2321220342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30564.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2321220342 is about 48179.0446356090. The cubic root of 2321220342 is about 1324.0532630855.

Adding to 2321220342 its reverse (2430221232), we get a palindrome (4751441574).

The spelling of 2321220342 in words is "two billion, three hundred twenty-one million, two hundred twenty thousand, three hundred forty-two".