2355522 has 48 divisors (see below), whose sum is σ = 5375808. Its totient is φ = 686400.

The previous prime is 2355517. The next prime is 2355527. The reversal of 2355522 is 2255532.

It is an interprime number because it is at equal distance from previous prime (2355517) and next prime (2355527).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 3¹¹ + 5 + 5² + 5⁶ + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2355492 and 2355501.

It is not an unprimeable number, because it can be changed into a prime (2355527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23272 + ... + 23372.

It is an arithmetic number, because the mean of its divisors is an integer number (111996).

2^2355522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2355522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2687904).

2355522 is an abundant number, since it is smaller than the sum of its proper divisors (3020286).

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

2355522 is a wasteful number, since it uses less digits than its factorization.

2355522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 142 counting only the distinct ones).

The product of its digits is 3000, while the sum is 24.

The square root of 2355522 is about 1534.7709926891. The cubic root of 2355522 is about 133.0543430291.

The spelling of 2355522 in words is "two million, three hundred fifty-five thousand, five hundred twenty-two".