2212524 has 36 divisors (see below), whose sum is σ = 5733000. Its totient is φ = 719040.

The previous prime is 2212523. The next prime is 2212537. The reversal of 2212524 is 4252122.

2212524 = 212² + 213² + ... + 252².

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2212497 and 2212506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (159250).

2^2212524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2866500).

2212524 is an abundant number, since it is smaller than the sum of its proper divisors (3520476).

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

2212524 is a wasteful number, since it uses less digits than its factorization.

2212524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1545 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 2212524 is about 1487.4555455542. The cubic root of 2212524 is about 130.3054749245.

Adding to 2212524 its reverse (4252122), we get a palindrome (6464646).

The spelling of 2212524 in words is "two million, two hundred twelve thousand, five hundred twenty-four".