2204213540 has 48 divisors (see below), whose sum is σ = 5015146752. Its totient is φ = 810518016.

The previous prime is 2204213537. The next prime is 2204213549. The reversal of 2204213540 is 453124022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2204213549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60764 + ... + 90003.

It is an arithmetic number, because the mean of its divisors is an integer number (104482224).

Almost surely, 2^2204213540 is an apocalyptic number.

2204213540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204213540 is an abundant number, since it is smaller than the sum of its proper divisors (2810933212).

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

2204213540 is a wasteful number, since it uses less digits than its factorization.

2204213540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150836 (or 150834 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2204213540 is about 46949.0525995999. The cubic root of 2204213540 is about 1301.4212346132.

Adding to 2204213540 its reverse (453124022), we get a palindrome (2657337562).

The spelling of 2204213540 in words is "two billion, two hundred four million, two hundred thirteen thousand, five hundred forty".