2881922 has 4 divisors (see below), whose sum is σ = 4322886. Its totient is φ = 1440960.

The previous prime is 2881897. The next prime is 2881937. The reversal of 2881922 is 2291882.

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

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 1366561 = 1231^2 + 1169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720479 + ... + 720482.

2^2881922 is an apocalyptic number.

2881922 is a deficient number, since it is larger than the sum of its proper divisors (1440964).

2881922 is a wasteful number, since it uses less digits than its factorization.

2881922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440963.

The product of its digits is 4608, while the sum is 32.

The square root of 2881922 is about 1697.6224550824. The cubic root of 2881922 is about 142.3073749052.

It can be divided in two parts, 288 and 1922, that multiplied together give a square (553536 = 744²).

The spelling of 2881922 in words is "two million, eight hundred eighty-one thousand, nine hundred twenty-two".