2215134541 has 8 divisors (see below), whose sum is σ = 2253929400. Its totient is φ = 2176419840.

The previous prime is 2215134457. The next prime is 2215134553. The reversal of 2215134541 is 1454315122.

It can be written as a sum of positive squares in 4 ways, for example, as 224100900 + 1991033641 = 14970^2 + 44621^2 .

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 2215134541 - 2¹³ = 2215126349 is a prime.

It is a super-4 number, since 4×2215134541⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215134941) 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, 37125 + ... + 76213.

It is an arithmetic number, because the mean of its divisors is an integer number (281741175).

Almost surely, 2^2215134541 is an apocalyptic number.

It is an amenable number.

2215134541 is a deficient number, since it is larger than the sum of its proper divisors (38794859).

2215134541 is an equidigital number, since it uses as much as digits as its factorization.

2215134541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40079.

The product of its digits is 4800, while the sum is 28.

The square root of 2215134541 is about 47065.2158286776. The cubic root of 2215134541 is about 1303.5670360952.

Adding to 2215134541 its reverse (1454315122), we get a palindrome (3669449663).

The spelling of 2215134541 in words is "two billion, two hundred fifteen million, one hundred thirty-four thousand, five hundred forty-one".