2722630 has 8 divisors (see below), whose sum is σ = 4900752. Its totient is φ = 1089048.

The previous prime is 2722619. The next prime is 2722639. The reversal of 2722630 is 362272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722639) 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, 136122 + ... + 136141.

It is an arithmetic number, because the mean of its divisors is an integer number (612594).

2^2722630 is an apocalyptic number.

2722630 is a deficient number, since it is larger than the sum of its proper divisors (2178122).

2722630 is a wasteful number, since it uses less digits than its factorization.

2722630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272270.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2722630 is about 1650.0393934691. The cubic root of 2722630 is about 139.6356170563.

The spelling of 2722630 in words is "two million, seven hundred twenty-two thousand, six hundred thirty".