1228310541 has 16 divisors (see below), whose sum is σ = 1820838720. Its totient is φ = 818370000.

The previous prime is 1228310539. The next prime is 1228310543. The reversal of 1228310541 is 1450138221.

It is an interprime number because it is at equal distance from previous prime (1228310539) and next prime (1228310543).

It is not a de Polignac number, because 1228310541 - 2¹ = 1228310539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228310543) 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, 33666 + ... + 59916.

It is an arithmetic number, because the mean of its divisors is an integer number (113802420).

Almost surely, 2^1228310541 is an apocalyptic number.

It is an amenable number.

1228310541 is a deficient number, since it is larger than the sum of its proper divisors (592528179).

1228310541 is a wasteful number, since it uses less digits than its factorization.

1228310541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27993 (or 27987 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1228310541 is about 35047.2615335350. The cubic root of 1228310541 is about 1070.9504877110.

Adding to 1228310541 its reverse (1450138221), we get a palindrome (2678448762).

The spelling of 1228310541 in words is "one billion, two hundred twenty-eight million, three hundred ten thousand, five hundred forty-one".