2531822 has 4 divisors (see below), whose sum is σ = 3797736. Its totient is φ = 1265910.

The previous prime is 2531821. The next prime is 2531831. The reversal of 2531822 is 2281352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632954 + ... + 632957.

It is an arithmetic number, because the mean of its divisors is an integer number (949434).

2^2531822 is an apocalyptic number.

2531822 is a deficient number, since it is larger than the sum of its proper divisors (1265914).

2531822 is a wasteful number, since it uses less digits than its factorization.

2531822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265913.

The product of its digits is 960, while the sum is 23.

The square root of 2531822 is about 1591.1700097727. The cubic root of 2531822 is about 136.2943092989.

The spelling of 2531822 in words is "two million, five hundred thirty-one thousand, eight hundred twenty-two".