540343222 has 4 divisors (see below), whose sum is σ = 810514836. Its totient is φ = 270171610.

The previous prime is 540343201. The next prime is 540343229. The reversal of 540343222 is 222343045.

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

It is a super-2 number, since 2×540343222² = 583941595122682568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540343229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135085804 + ... + 135085807.

It is an arithmetic number, because the mean of its divisors is an integer number (202628709).

Almost surely, 2^540343222 is an apocalyptic number.

540343222 is a deficient number, since it is larger than the sum of its proper divisors (270171614).

540343222 is a wasteful number, since it uses less digits than its factorization.

540343222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270171613.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 540343222 is about 23245.2838657651. The cubic root of 540343222 is about 814.4977758172.

Adding to 540343222 its reverse (222343045), we get a palindrome (762686267).

It can be divided in two parts, 5403 and 43222, that multiplied together give a triangular number (233528466 = T₂₁₆₁₁).

The spelling of 540343222 in words is "five hundred forty million, three hundred forty-three thousand, two hundred twenty-two".