3622447 has 4 divisors (see below), whose sum is σ = 3643560. Its totient is φ = 3601336.

The previous prime is 3622439. The next prime is 3622453. The reversal of 3622447 is 7442263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7442263 = 31 ⋅240073.

It is a cyclic number.

It is not a de Polignac number, because 3622447 - 2³ = 3622439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622427) 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, 10297 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (910890).

Almost surely, 2^3622447 is an apocalyptic number.

3622447 is a deficient number, since it is larger than the sum of its proper divisors (21113).

3622447 is a wasteful number, since it uses less digits than its factorization.

3622447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112.

The product of its digits is 8064, while the sum is 28.

The square root of 3622447 is about 1903.2727077327. The cubic root of 3622447 is about 153.5797701719.

It can be divided in two parts, 362 and 2447, that added together give a square (2809 = 53²).

The spelling of 3622447 in words is "three million, six hundred twenty-two thousand, four hundred forty-seven".