2722394 has 4 divisors (see below), whose sum is σ = 4083594. Its totient is φ = 1361196.

The previous prime is 2722387. The next prime is 2722399. The reversal of 2722394 is 4932272.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 511225 = 1487^2 + 715^2 .

It is a super-2 number, since 2×2722394² = 14822858182472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2722399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680597 + ... + 680600.

2^2722394 is an apocalyptic number.

2722394 is a deficient number, since it is larger than the sum of its proper divisors (1361200).

2722394 is a wasteful number, since it uses less digits than its factorization.

2722394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361199.

The product of its digits is 6048, while the sum is 29.

The square root of 2722394 is about 1649.9678784752. The cubic root of 2722394 is about 139.6315823597.

The spelling of 2722394 in words is "two million, seven hundred twenty-two thousand, three hundred ninety-four".