2520822 has 16 divisors (see below), whose sum is σ = 5091840. Its totient is φ = 831912.

The previous prime is 2520821. The next prime is 2520829. The reversal of 2520822 is 2280252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (318240).

2^2520822 is an apocalyptic number.

2520822 is an abundant number, since it is smaller than the sum of its proper divisors (2571018).

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

2520822 is a wasteful number, since it uses less digits than its factorization.

2520822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2520822 is about 1587.7096711931. The cubic root of 2520822 is about 136.0966369109.

The spelling of 2520822 in words is "two million, five hundred twenty thousand, eight hundred twenty-two".