2532222 has 120 divisors (see below), whose sum is σ = 7448760. Its totient is φ = 635040.

The previous prime is 2532209. The next prime is 2532223. The reversal of 2532222 is 2222352.

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

It is a junction number, because it is equal to n+sod(n) for n = 2532195 and 2532204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 87304 + ... + 87332.

It is an arithmetic number, because the mean of its divisors is an integer number (62073).

2^2532222 is an apocalyptic number.

2532222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2532222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3724380).

2532222 is an abundant number, since it is smaller than the sum of its proper divisors (4916538).

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

2532222 is a wasteful number, since it uses less digits than its factorization.

2532222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 52 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 2532222 is about 1591.2956984797. The cubic root of 2532222 is about 136.3014865877.

Adding to 2532222 its reverse (2222352), we get a palindrome (4754574).

The spelling of 2532222 in words is "two million, five hundred thirty-two thousand, two hundred twenty-two".