2051224 has 16 divisors (see below), whose sum is σ = 4395600. Its totient is φ = 879072.

The previous prime is 2051219. The next prime is 2051233. The reversal of 2051224 is 4221502.

It is a junction number, because it is equal to n+sod(n) for n = 2051198 and 2051207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18259 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (274725).

2^2051224 is an apocalyptic number.

It is an amenable number.

2051224 is an abundant number, since it is smaller than the sum of its proper divisors (2344376).

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

2051224 is a wasteful number, since it uses less digits than its factorization.

2051224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36642 (or 36638 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2051224 is about 1432.2094818845. The cubic root of 2051224 is about 127.0586869939.

Adding to 2051224 its reverse (4221502), we get a palindrome (6272726).

The spelling of 2051224 in words is "two million, fifty-one thousand, two hundred twenty-four".