2212442428 has 48 divisors (see below), whose sum is σ = 4530265600. Its totient is φ = 925836480.

The previous prime is 2212442411. The next prime is 2212442429. The reversal of 2212442428 is 8242442122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212442428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212442429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232753 + ... + 242071.

Almost surely, 2^2212442428 is an apocalyptic number.

2212442428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2212442428 is an abundant number, since it is smaller than the sum of its proper divisors (2317823172).

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

2212442428 is a wasteful number, since it uses less digits than its factorization.

2212442428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530 (or 9528 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

The square root of 2212442428 is about 47036.6073181304. The cubic root of 2212442428 is about 1303.0387352434.

The spelling of 2212442428 in words is "two billion, two hundred twelve million, four hundred forty-two thousand, four hundred twenty-eight".