540221214 has 32 divisors (see below), whose sum is σ = 1164441600. Its totient is φ = 166095072.

The previous prime is 540221191. The next prime is 540221219. The reversal of 540221214 is 412122045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540221219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185679 + ... + 188565.

It is an arithmetic number, because the mean of its divisors is an integer number (36388800).

Almost surely, 2^540221214 is an apocalyptic number.

540221214 is an abundant number, since it is smaller than the sum of its proper divisors (624220386).

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

540221214 is a wasteful number, since it uses less digits than its factorization.

540221214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 540221214 is about 23242.6593573111. The cubic root of 540221214 is about 814.4364674234.

Adding to 540221214 its reverse (412122045), we get a palindrome (952343259).

The spelling of 540221214 in words is "five hundred forty million, two hundred twenty-one thousand, two hundred fourteen".