3521022 has 8 divisors (see below), whose sum is σ = 7042056. Its totient is φ = 1173672.

The previous prime is 3520999. The next prime is 3521029. The reversal of 3521022 is 2201253.

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

3521022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3520992 and 3521010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521029) 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, 293413 + ... + 293424.

It is an arithmetic number, because the mean of its divisors is an integer number (880257).

Almost surely, 2^3521022 is an apocalyptic number.

3521022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3521022 is a wasteful number, since it uses less digits than its factorization.

3521022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586842.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3521022 is about 1876.4386480778. The cubic root of 3521022 is about 152.1328190415.

Adding to 3521022 its reverse (2201253), we get a palindrome (5722275).

The spelling of 3521022 in words is "three million, five hundred twenty-one thousand, twenty-two".