2722545 has 64 divisors (see below), whose sum is σ = 5744640. Its totient is φ = 1197504.

The previous prime is 2722541. The next prime is 2722547. The reversal of 2722545 is 5452272.

2722545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2722545 - 2² = 2722541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2722541) 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 63 ways as a sum of consecutive naturals, for example, 40602 + ... + 40668.

It is an arithmetic number, because the mean of its divisors is an integer number (89760).

2^2722545 is an apocalyptic number.

It is an amenable number.

2722545 is an abundant number, since it is smaller than the sum of its proper divisors (3022095).

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

2722545 is a wasteful number, since it uses less digits than its factorization.

2722545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2722545 is about 1650.0136363073. The cubic root of 2722545 is about 139.6341639086.

The spelling of 2722545 in words is "two million, seven hundred twenty-two thousand, five hundred forty-five".