2731922 has 8 divisors (see below), whose sum is σ = 4185216. Its totient is φ = 1336852.

The previous prime is 2731921. The next prime is 2731933. The reversal of 2731922 is 2291372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2731891 and 2731900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14438 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (523152).

2^2731922 is an apocalyptic number.

2731922 is a deficient number, since it is larger than the sum of its proper divisors (1453294).

2731922 is a wasteful number, since it uses less digits than its factorization.

2731922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29112.

The product of its digits is 1512, while the sum is 26.

The square root of 2731922 is about 1652.8526855107. The cubic root of 2731922 is about 139.7942897225.

The spelling of 2731922 in words is "two million, seven hundred thirty-one thousand, nine hundred twenty-two".