540922 has 4 divisors (see below), whose sum is σ = 811386. Its totient is φ = 270460.

The previous prime is 540907. The next prime is 540961. The reversal of 540922 is 229045.

It is a happy number.

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., 534361 + 6561 = 731^2 + 81^2 .

It is a super-2 number, since 2×540922² = 585193220168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 540893 and 540902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135229 + ... + 135232.

2⁵⁴⁰⁹²² is an apocalyptic number.

540922 is a deficient number, since it is larger than the sum of its proper divisors (270464).

540922 is a wasteful number, since it uses less digits than its factorization.

540922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270463.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 540922 is about 735.4739968211. The cubic root of 540922 is about 81.4788483130.

Adding to 540922 its reverse (229045), we get a palindrome (769967).

The spelling of 540922 in words is "five hundred forty thousand, nine hundred twenty-two".