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3622 = 21811

3622 has 4 divisors (see below), whose sum is σ = 5436. Its totient is φ = 1810.

The previous prime is 3617. The next prime is 3623. The reversal of 3622 is 2263.

3622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2263 = 3173.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (1359).

23622 is an apocalyptic number.

3622 is a deficient number, since it is larger than the sum of its proper divisors (1814).

3622 is a wasteful number, since it uses less digits than its factorization.

3622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its digits is 72, while the sum is 13.

The square root of 3622 is about 60.1830540933. The cubic root of 3622 is about 15.3573452805.

Adding to 3622 its reverse (2263), we get a palindrome (5885).

It can be divided in two parts, 3 and 622, that added together give a 4-th power (625 = 54).

The spelling of 3622 in words is "three thousand, six hundred twenty-two".

Divisors: 1 2 1811 3622