2534220 has 144 divisors (see below), whose sum is σ = 8961120. Its totient is φ = 590976.

The previous prime is 2534197. The next prime is 2534237. The reversal of 2534220 is 224352.

2534220 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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 = 2534193 and 2534202.

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 47 ways as a sum of consecutive naturals, for example, 133371 + ... + 133389.

It is an arithmetic number, because the mean of its divisors is an integer number (62230).

2^2534220 is an apocalyptic number.

2534220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2534220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4480560).

2534220 is an abundant number, since it is smaller than the sum of its proper divisors (6426900).

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

2534220 is a wasteful number, since it uses less digits than its factorization.

2534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 42 counting only the distinct ones).

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

The square root of 2534220 is about 1591.9233649897. The cubic root of 2534220 is about 136.3373258330.

Adding to 2534220 its reverse (224352), we get a palindrome (2758572).

The spelling of 2534220 in words is "two million, five hundred thirty-four thousand, two hundred twenty".