3520622 has 8 divisors (see below), whose sum is σ = 6035376. Its totient is φ = 1508832.

The previous prime is 3520613. The next prime is 3520663. The reversal of 3520622 is 2260253.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3520594 and 3520603.

It is a congruent number.

It is an unprimeable number.

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, 125723 + ... + 125750.

It is an arithmetic number, because the mean of its divisors is an integer number (754422).

Almost surely, 2^3520622 is an apocalyptic number.

3520622 is a deficient number, since it is larger than the sum of its proper divisors (2514754).

3520622 is a wasteful number, since it uses less digits than its factorization.

3520622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251482.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3520622 is about 1876.3320601642. The cubic root of 3520622 is about 152.1270578892.

Adding to 3520622 its reverse (2260253), we get a palindrome (5780875).

The spelling of 3520622 in words is "three million, five hundred twenty thousand, six hundred twenty-two".