3622251 has 4 divisors (see below), whose sum is σ = 4829672. Its totient is φ = 2414832.

The previous prime is 3622231. The next prime is 3622253. The reversal of 3622251 is 1522263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1522263 = 3 ⋅507421.

It is not a de Polignac number, because 3622251 - 2⁵ = 3622219 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3622253) 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 3 ways as a sum of consecutive naturals, for example, 603706 + ... + 603711.

It is an arithmetic number, because the mean of its divisors is an integer number (1207418).

Almost surely, 2^3622251 is an apocalyptic number.

3622251 is a deficient number, since it is larger than the sum of its proper divisors (1207421).

3622251 is a wasteful number, since it uses less digits than its factorization.

3622251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207420.

The product of its digits is 720, while the sum is 21.

The square root of 3622251 is about 1903.2212167796. The cubic root of 3622251 is about 153.5770002048.

The spelling of 3622251 in words is "three million, six hundred twenty-two thousand, two hundred fifty-one".