2243215541 has 16 divisors (see below), whose sum is σ = 2645424000. Its totient is φ = 1901126304.

The previous prime is 2243215489. The next prime is 2243215547. The reversal of 2243215541 is 1455123422.

It is not a de Polignac number, because 2243215541 - 2¹⁰ = 2243214517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243215547) 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, 6215 + ... + 67268.

It is an arithmetic number, because the mean of its divisors is an integer number (165339000).

Almost surely, 2^2243215541 is an apocalyptic number.

It is an amenable number.

2243215541 is a deficient number, since it is larger than the sum of its proper divisors (402208459).

2243215541 is an frugal number, since it uses more digits than its factorization.

2243215541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73593 (or 73579 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 2243215541 is about 47362.5964343172. The cubic root of 2243215541 is about 1309.0523109105.

Adding to 2243215541 its reverse (1455123422), we get a palindrome (3698338963).

It can be divided in two parts, 22432 and 15541, that added together give a palindrome (37973).

The spelling of 2243215541 in words is "two billion, two hundred forty-three million, two hundred fifteen thousand, five hundred forty-one".