3622249 has 4 divisors (see below), whose sum is σ = 3626064. Its totient is φ = 3618436.

The previous prime is 3622231. The next prime is 3622253. The reversal of 3622249 is 9422263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9422263 = 269 ⋅35027.

It is a cyclic number.

It is not a de Polignac number, because 3622249 - 2⁷ = 3622121 is a prime.

It is a Duffinian number.

3622249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3622219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (906516).

Almost surely, 2^3622249 is an apocalyptic number.

It is an amenable number.

3622249 is a deficient number, since it is larger than the sum of its proper divisors (3815).

3622249 is a wasteful number, since it uses less digits than its factorization.

3622249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its digits is 5184, while the sum is 28.

The square root of 3622249 is about 1903.2206913545. The cubic root of 3622249 is about 153.5769719393.

The spelling of 3622249 in words is "three million, six hundred twenty-two thousand, two hundred forty-nine".