2722056 has 32 divisors (see below), whose sum is σ = 7041600. Its totient is φ = 875840.

The previous prime is 2722043. The next prime is 2722061. The reversal of 2722056 is 6502272.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (220050).

2^2722056 is an apocalyptic number.

It is an amenable number.

2722056 is an abundant number, since it is smaller than the sum of its proper divisors (4319544).

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

2722056 is a wasteful number, since it uses less digits than its factorization.

2722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2722056 is about 1649.8654490594. The cubic root of 2722056 is about 139.6258034475.

The spelling of 2722056 in words is "two million, seven hundred twenty-two thousand, fifty-six".