3722257 has 8 divisors (see below), whose sum is σ = 4640832. Its totient is φ = 2900400.

The previous prime is 3722249. The next prime is 3722273. The reversal of 3722257 is 7522273.

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

It is a cyclic number.

It is not a de Polignac number, because 3722257 - 2³ = 3722249 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3722207) 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, 24094 + ... + 24247.

It is an arithmetic number, because the mean of its divisors is an integer number (580104).

Almost surely, 2^3722257 is an apocalyptic number.

It is an amenable number.

3722257 is a deficient number, since it is larger than the sum of its proper divisors (918575).

3722257 is a wasteful number, since it uses less digits than its factorization.

3722257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359.

The product of its digits is 5880, while the sum is 28.

The square root of 3722257 is about 1929.3151634712. The cubic root of 3722257 is about 154.9775479099.

The spelling of 3722257 in words is "three million, seven hundred twenty-two thousand, two hundred fifty-seven".