2613222 has 48 divisors (see below), whose sum is σ = 6202560. Its totient is φ = 822312.

The previous prime is 2613211. The next prime is 2613227. The reversal of 2613222 is 2223162.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2613195 and 2613204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9093 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (129220).

2^2613222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2613222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3101280).

2613222 is an abundant number, since it is smaller than the sum of its proper divisors (3589338).

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

2613222 is a wasteful number, since it uses less digits than its factorization.

2613222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 307 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2613222 is about 1616.5463185446. The cubic root of 2613222 is about 137.7395845015.

Adding to 2613222 its reverse (2223162), we get a palindrome (4836384).

The spelling of 2613222 in words is "two million, six hundred thirteen thousand, two hundred twenty-two".