2220145541 has 8 divisors (see below), whose sum is σ = 2317930560. Its totient is φ = 2122465312.

The previous prime is 2220145537. The next prime is 2220145559. The reversal of 2220145541 is 1455410222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220145541 - 2² = 2220145537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220145541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220145591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18770 + ... + 69228.

It is an arithmetic number, because the mean of its divisors is an integer number (289741320).

Almost surely, 2^2220145541 is an apocalyptic number.

It is an amenable number.

2220145541 is a deficient number, since it is larger than the sum of its proper divisors (97785019).

2220145541 is a wasteful number, since it uses less digits than its factorization.

2220145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52395.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2220145541 is about 47118.4204000941. The cubic root of 2220145541 is about 1304.5492570934.

Adding to 2220145541 its reverse (1455410222), we get a palindrome (3675555763).

The spelling of 2220145541 in words is "two billion, two hundred twenty million, one hundred forty-five thousand, five hundred forty-one".