2722487 has 4 divisors (see below), whose sum is σ = 2840880. Its totient is φ = 2604096.

The previous prime is 2722477. The next prime is 2722507. The reversal of 2722487 is 7842272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2722487 - 2⁴ = 2722471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59162 + ... + 59207.

It is an arithmetic number, because the mean of its divisors is an integer number (710220).

2^2722487 is an apocalyptic number.

2722487 is a deficient number, since it is larger than the sum of its proper divisors (118393).

2722487 is a wasteful number, since it uses less digits than its factorization.

2722487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118392.

The product of its digits is 12544, while the sum is 32.

The square root of 2722487 is about 1649.9960606014. The cubic root of 2722487 is about 139.6331723316.

The spelling of 2722487 in words is "two million, seven hundred twenty-two thousand, four hundred eighty-seven".