2142012222 has 64 divisors (see below), whose sum is σ = 5444605440. Its totient is φ = 611489088.

The previous prime is 2142012211. The next prime is 2142012227. The reversal of 2142012222 is 2222102412.

2142012222 is a `hidden beast` number, since 21 + 420 + 1 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2142012195 and 2142012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142012227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867033 + ... + 869499.

It is an arithmetic number, because the mean of its divisors is an integer number (85071960).

Almost surely, 2^2142012222 is an apocalyptic number.

2142012222 is an abundant number, since it is smaller than the sum of its proper divisors (3302593218).

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

2142012222 is a wasteful number, since it uses less digits than its factorization.

2142012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2142012222 is about 46281.8779005347. The cubic root of 2142012222 is about 1289.0625206030.

Adding to 2142012222 its reverse (2222102412), we get a palindrome (4364114634).

The spelling of 2142012222 in words is "two billion, one hundred forty-two million, twelve thousand, two hundred twenty-two".