2813922 has 12 divisors (see below), whose sum is σ = 6096870. Its totient is φ = 937968.

The previous prime is 2813917. The next prime is 2813927. The reversal of 2813922 is 2293182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2813917) and next prime (2813927).

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 408321 = 1551^2 + 639^2 .

It is not an unprimeable number, because it can be changed into a prime (2813927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78147 + ... + 78182.

2^2813922 is an apocalyptic number.

2813922 is an abundant number, since it is smaller than the sum of its proper divisors (3282948).

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

2813922 is a wasteful number, since it uses less digits than its factorization.

2813922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156337 (or 156334 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2813922 is about 1677.4748880386. The cubic root of 2813922 is about 141.1791897148.

The spelling of 2813922 in words is "two million, eight hundred thirteen thousand, nine hundred twenty-two".