2722248 has 40 divisors (see below), whose sum is σ = 7626630. Its totient is φ = 907200.

The previous prime is 2722241. The next prime is 2722249. The reversal of 2722248 is 8422272.

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 39204 = 1638^2 + 198^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2722241) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1453 + ... + 2748.

2^2722248 is an apocalyptic number.

It is an amenable number.

2722248 is an abundant number, since it is smaller than the sum of its proper divisors (4904382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2722248 is a wasteful number, since it uses less digits than its factorization.

2722248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4206 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2722248 is about 1649.9236345965. The cubic root of 2722248 is about 139.6290862019.

The spelling of 2722248 in words is "two million, seven hundred twenty-two thousand, two hundred forty-eight".