3722245 has 8 divisors (see below), whose sum is σ = 4486680. Its totient is φ = 2964480.

The previous prime is 3722231. The next prime is 3722249. The reversal of 3722245 is 5422273.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 2169729 = 1246^2 + 1473^2 .

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

It is not a de Polignac number, because 3722245 - 2¹⁷ = 3591173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (560835).

Almost surely, 2^3722245 is an apocalyptic number.

It is an amenable number.

3722245 is a deficient number, since it is larger than the sum of its proper divisors (764435).

3722245 is a wasteful number, since it uses less digits than its factorization.

3722245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its digits is 3360, while the sum is 25.

The square root of 3722245 is about 1929.3120535569. The cubic root of 3722245 is about 154.9773813682.

The spelling of 3722245 in words is "three million, seven hundred twenty-two thousand, two hundred forty-five".