2211420234 has 8 divisors (see below), whose sum is σ = 4422840480. Its totient is φ = 737140076.

The previous prime is 2211420229. The next prime is 2211420257. The reversal of 2211420234 is 4320241122.

It is a sphenic number, since it is the product of 3 distinct primes.

2211420234 is an admirable number.

It is a super-2 number, since 2×2211420234² = 9780758902689229512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211420234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184285014 + ... + 184285025.

It is an arithmetic number, because the mean of its divisors is an integer number (552855060).

Almost surely, 2^2211420234 is an apocalyptic number.

2211420234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2211420234 is a wasteful number, since it uses less digits than its factorization.

2211420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368570044.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2211420234 is about 47025.7401217674. The cubic root of 2211420234 is about 1302.8380274128.

Adding to 2211420234 its reverse (4320241122), we get a palindrome (6531661356).

It can be divided in two parts, 221 and 1420234, that added together give a triangular number (1420455 = T₁₆₈₅).

The spelling of 2211420234 in words is "two billion, two hundred eleven million, four hundred twenty thousand, two hundred thirty-four".