540722 has 16 divisors (see below), whose sum is σ = 998592. Its totient is φ = 213840.

The previous prime is 540713. The next prime is 540751. The reversal of 540722 is 227045.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 540694 and 540703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (62412).

2⁵⁴⁰⁷²² is an apocalyptic number.

540722 is a deficient number, since it is larger than the sum of its proper divisors (457870).

540722 is a wasteful number, since it uses less digits than its factorization.

540722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 540722 is about 735.3380175130. The cubic root of 540722 is about 81.4688051038.

Adding to 540722 its reverse (227045), we get a palindrome (767767).

The spelling of 540722 in words is "five hundred forty thousand, seven hundred twenty-two".