2742219 has 12 divisors (see below), whose sum is σ = 4194216. Its totient is φ = 1720512.

The previous prime is 2742217. The next prime is 2742227. The reversal of 2742219 is 9122472.

It is not a de Polignac number, because 2742219 - 2¹ = 2742217 is a prime.

It is a super-2 number, since 2×2742219² = 15039530087922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2742192 and 2742201.

It is not an unprimeable number, because it can be changed into a prime (2742217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8809 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (349518).

2^2742219 is an apocalyptic number.

2742219 is a deficient number, since it is larger than the sum of its proper divisors (1451997).

2742219 is a wasteful number, since it uses less digits than its factorization.

2742219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17946 (or 17943 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2742219 is about 1655.9646735362. The cubic root of 2742219 is about 139.9697043289.

The spelling of 2742219 in words is "two million, seven hundred forty-two thousand, two hundred nineteen".