540261222 has 8 divisors (see below), whose sum is σ = 1080522456. Its totient is φ = 180087072.

The previous prime is 540261209. The next prime is 540261229. The reversal of 540261222 is 222162045.

It is a happy number.

540261222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

540261222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 540261192 and 540261201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540261229) 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, 45021763 + ... + 45021774.

It is an arithmetic number, because the mean of its divisors is an integer number (135065307).

Almost surely, 2^540261222 is an apocalyptic number.

540261222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540261222 is a wasteful number, since it uses less digits than its factorization.

540261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90043542.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 540261222 is about 23243.5200002065. The cubic root of 540261222 is about 814.4565722551.

The spelling of 540261222 in words is "five hundred forty million, two hundred sixty-one thousand, two hundred twenty-two".