2775242 has 16 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 1315440.

The previous prime is 2775221. The next prime is 2775247. The reversal of 2775242 is 2425772.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2775247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

2^2775242 is an apocalyptic number.

2775242 is a deficient number, since it is larger than the sum of its proper divisors (1609558).

2775242 is a wasteful number, since it uses less digits than its factorization.

2775242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its digits is 7840, while the sum is 29.

The square root of 2775242 is about 1665.9057596395. The cubic root of 2775242 is about 140.5293227046.

The spelling of 2775242 in words is "two million, seven hundred seventy-five thousand, two hundred forty-two".