2220340340434 has 32 divisors (see below), whose sum is σ = 3409598111040. Its totient is φ = 1084063536192.

The previous prime is 2220340340429. The next prime is 2220340340447. The reversal of 2220340340434 is 4340430430222.

It is a happy number.

It is a super-2 number, since 2×2220340340434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220340340396 and 2220340340405.

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, 65435397 + ... + 65469319.

It is an arithmetic number, because the mean of its divisors is an integer number (106549940970).

Almost surely, 2^{2220340340434} is an apocalyptic number.

2220340340434 is a deficient number, since it is larger than the sum of its proper divisors (1189257770606).

2220340340434 is a wasteful number, since it uses less digits than its factorization.

2220340340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37674.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 2220340340434 its reverse (4340430430222), we get a palindrome (6560770770656).

The spelling of 2220340340434 in words is "two trillion, two hundred twenty billion, three hundred forty million, three hundred forty thousand, four hundred thirty-four".