3722157 has 12 divisors (see below), whose sum is σ = 5659680. Its totient is φ = 2350728.

The previous prime is 3722149. The next prime is 3722171. The reversal of 3722157 is 7512273.

It is not a de Polignac number, because 3722157 - 2³ = 3722149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3722157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10713 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (471640).

Almost surely, 2^3722157 is an apocalyptic number.

It is an amenable number.

3722157 is a deficient number, since it is larger than the sum of its proper divisors (1937523).

3722157 is a wasteful number, since it uses less digits than its factorization.

3722157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792 (or 21789 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 3722157 is about 1929.2892473655. The cubic root of 3722157 is about 154.9761600518.

The spelling of 3722157 in words is "three million, seven hundred twenty-two thousand, one hundred fifty-seven".