3722549 has 2 divisors, whose sum is σ = 3722550. Its totient is φ = 3722548.

The previous prime is 3722519. The next prime is 3722567. The reversal of 3722549 is 9452273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 180625 = 1882^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3722549 - 2⁸ = 3722293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3722519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861274 + 1861275.

It is an arithmetic number, because the mean of its divisors is an integer number (1861275).

Almost surely, 2^3722549 is an apocalyptic number.

It is an amenable number.

3722549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722549 is an equidigital number, since it uses as much as digits as its factorization.

3722549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 3722549 is about 1929.3908365077. The cubic root of 3722549 is about 154.9816003133.

The spelling of 3722549 in words is "three million, seven hundred twenty-two thousand, five hundred forty-nine".