2112428 has 6 divisors (see below), whose sum is σ = 3696756. Its totient is φ = 1056212.

The previous prime is 2112419. The next prime is 2112469. The reversal of 2112428 is 8242112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264050 + ... + 264057.

It is an arithmetic number, because the mean of its divisors is an integer number (616126).

2^2112428 is an apocalyptic number.

It is an amenable number.

2112428 is a deficient number, since it is larger than the sum of its proper divisors (1584328).

2112428 is a wasteful number, since it uses less digits than its factorization.

2112428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528111 (or 528109 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 2112428 is about 1453.4194164108. The cubic root of 2112428 is about 128.3100394370.

The spelling of 2112428 in words is "two million, one hundred twelve thousand, four hundred twenty-eight".