3422520 has 64 divisors (see below), whose sum is σ = 11412000. Its totient is φ = 912384.

The previous prime is 3422519. The next prime is 3422521. The reversal of 3422520 is 252243.

It is an interprime number because it is at equal distance from previous prime (3422519) and next prime (3422521).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3422493 and 3422502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505 + ... + 2664.

Almost surely, 2^3422520 is an apocalyptic number.

3422520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3422520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5706000).

3422520 is an abundant number, since it is smaller than the sum of its proper divisors (7989480).

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

3422520 is a wasteful number, since it uses less digits than its factorization.

3422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3422520 is about 1850.0054053975. The cubic root of 3422520 is about 150.7007214987.

Adding to 3422520 its reverse (252243), we get a palindrome (3674763).

The spelling of 3422520 in words is "three million, four hundred twenty-two thousand, five hundred twenty".