2712220 has 24 divisors (see below), whose sum is σ = 6509664. Its totient is φ = 929856.

The previous prime is 2712181. The next prime is 2712223. The reversal of 2712220 is 222172.

It is a super-2 number, since 2×2712220² = 14712274656800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2712194 and 2712203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2712223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9547 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (271236).

2^2712220 is an apocalyptic number.

2712220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2712220 is an abundant number, since it is smaller than the sum of its proper divisors (3797444).

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

2712220 is a wasteful number, since it uses less digits than its factorization.

2712220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389 (or 19387 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2712220 is about 1646.8819022626. The cubic root of 2712220 is about 139.4574237475.

Adding to 2712220 its reverse (222172), we get a palindrome (2934392).

The spelling of 2712220 in words is "two million, seven hundred twelve thousand, two hundred twenty".