2722522 has 16 divisors (see below), whose sum is σ = 4551552. Its totient is φ = 1210720.

The previous prime is 2722507. The next prime is 2722541. The reversal of 2722522 is 2252272.

It is a happy number.

2722522 is digitally balanced in base 2, because in such base 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 (22).

It is a junction number, because it is equal to n+sod(n) for n = 2722493 and 2722502.

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 7 ways as a sum of consecutive naturals, for example, 283 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (284472).

2^2722522 is an apocalyptic number.

2722522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2722522 is a deficient number, since it is larger than the sum of its proper divisors (1829030).

2722522 is a wasteful number, since it uses less digits than its factorization.

2722522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its digits is 1120, while the sum is 22.

The square root of 2722522 is about 1650.0066666532. The cubic root of 2722522 is about 139.6337706987.

Subtracting from 2722522 its sum of digits (22), we obtain a square (2722500 = 1650²).

Adding to 2722522 its reverse (2252272), we get a palindrome (4974794).

The spelling of 2722522 in words is "two million, seven hundred twenty-two thousand, five hundred twenty-two".