540221202 has 12 divisors (see below), whose sum is σ = 1170479310. Its totient is φ = 180073728.

The previous prime is 540221191. The next prime is 540221219. The reversal of 540221202 is 202122045.

540221202 is a `hidden beast` number, since 540 + 2 + 2 + 120 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 499120281 + 41100921 = 22341^2 + 6411^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 30012289 = 540221202 / (5 + 4 + 0 + 2 + 2 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15006127 + ... + 15006162.

Almost surely, 2^540221202 is an apocalyptic number.

540221202 is an abundant number, since it is smaller than the sum of its proper divisors (630258108).

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

540221202 is a wasteful number, since it uses less digits than its factorization.

540221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30012297 (or 30012294 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 540221202 is about 23242.6590991651. The cubic root of 540221202 is about 814.4364613930.

Adding to 540221202 its reverse (202122045), we get a palindrome (742343247).

The spelling of 540221202 in words is "five hundred forty million, two hundred twenty-one thousand, two hundred two".