2512220 has 24 divisors (see below), whose sum is σ = 5367600. Its totient is φ = 987392.

The previous prime is 2512219. The next prime is 2512229. The reversal of 2512220 is 222152.

2512220 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 super-2 number, since 2×2512220² = 12622498656800, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2512195 and 2512204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 116 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (223650).

2^2512220 is an apocalyptic number.

2512220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512220 is an abundant number, since it is smaller than the sum of its proper divisors (2855380).

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

2512220 is a wasteful number, since it uses less digits than its factorization.

2512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2512220 is about 1584.9984227121. The cubic root of 2512220 is about 135.9416560583.

Adding to 2512220 its reverse (222152), we get a palindrome (2734372).

The spelling of 2512220 in words is "two million, five hundred twelve thousand, two hundred twenty".