2148212 has 12 divisors (see below), whose sum is σ = 4101216. Its totient is φ = 976440.

The previous prime is 2148203. The next prime is 2148227. The reversal of 2148212 is 2128412.

Added to its reverse (2128412) it gives a square (4276624 = 2068²).

It is a happy number.

It is a super-2 number, since 2×2148212² = 9229629593888, which contains 22 as substring.

It is a congruent number.

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, 24368 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (341768).

2^2148212 is an apocalyptic number.

2148212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2148212 is a deficient number, since it is larger than the sum of its proper divisors (1953004).

2148212 is a wasteful number, since it uses less digits than its factorization.

2148212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48838 (or 48836 counting only the distinct ones).

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

The square root of 2148212 is about 1465.6780001078. The cubic root of 2148212 is about 129.0304997691.

Adding to 2148212 its reverse (2128412), we get a square (4276624 = 2068²).

The spelling of 2148212 in words is "two million, one hundred forty-eight thousand, two hundred twelve".