2238522 has 32 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 625920.

The previous prime is 2238491. The next prime is 2238527. The reversal of 2238522 is 2258322.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁰ + 3¹⁰ + 8 + 5⁶ + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2238492 and 2238501.

It is not an unprimeable number, because it can be changed into a prime (2238527) 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, 447 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

2^2238522 is an apocalyptic number.

2238522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2238522 is an abundant number, since it is smaller than the sum of its proper divisors (3023238).

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

2238522 is a wasteful number, since it uses less digits than its factorization.

2238522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638.

The product of its digits is 1920, while the sum is 24.

The square root of 2238522 is about 1496.1691080891. The cubic root of 2238522 is about 130.8138684806.

The spelling of 2238522 in words is "two million, two hundred thirty-eight thousand, five hundred twenty-two".