540511222 has 16 divisors (see below), whose sum is σ = 839908800. Its totient is φ = 260568000.

The previous prime is 540511217. The next prime is 540511273. The reversal of 540511222 is 222115045.

It is a super-2 number, since 2×540511222² = 584304762215866568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540511193 and 540511202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37354 + ... + 49762.

It is an arithmetic number, because the mean of its divisors is an integer number (52494300).

Almost surely, 2^540511222 is an apocalyptic number.

540511222 is a deficient number, since it is larger than the sum of its proper divisors (299397578).

540511222 is a wasteful number, since it uses less digits than its factorization.

540511222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 540511222 is about 23248.8972211587. The cubic root of 540511222 is about 814.5821798539.

Adding to 540511222 its reverse (222115045), we get a palindrome (762626267).

The spelling of 540511222 in words is "five hundred forty million, five hundred eleven thousand, two hundred twenty-two".