2212420434 has 64 divisors (see below), whose sum is σ = 5300951040. Its totient is φ = 602340480.

The previous prime is 2212420387. The next prime is 2212420451. The reversal of 2212420434 is 4340242122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59107 + ... + 88985.

It is an arithmetic number, because the mean of its divisors is an integer number (82827360).

Almost surely, 2^2212420434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212420434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2650475520).

2212420434 is an abundant number, since it is smaller than the sum of its proper divisors (3088530606).

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

2212420434 is a wasteful number, since it uses less digits than its factorization.

2212420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2212420434 is about 47036.3735209253. The cubic root of 2212420434 is about 1303.0344173716.

Adding to 2212420434 its reverse (4340242122), we get a palindrome (6552662556).

The spelling of 2212420434 in words is "two billion, two hundred twelve million, four hundred twenty thousand, four hundred thirty-four".