2722142 has 24 divisors (see below), whose sum is σ = 4589136. Its totient is φ = 1204544.

The previous prime is 2722117. The next prime is 2722147. The reversal of 2722142 is 2412272.

It is a happy number.

2722142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722147) 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 11 ways as a sum of consecutive naturals, for example, 46109 + ... + 46167.

It is an arithmetic number, because the mean of its divisors is an integer number (191214).

2^2722142 is an apocalyptic number.

2722142 is a deficient number, since it is larger than the sum of its proper divisors (1866994).

2722142 is a wasteful number, since it uses less digits than its factorization.

2722142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 101 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 2722142 is about 1649.8915115849. The cubic root of 2722142 is about 139.6272738670.

The spelling of 2722142 in words is "two million, seven hundred twenty-two thousand, one hundred forty-two".