1550022041 has 4 divisors (see below), whose sum is σ = 1600022784. Its totient is φ = 1500021300.

The previous prime is 1550022037. The next prime is 1550022043. The reversal of 1550022041 is 1402200551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1550022041 - 2² = 1550022037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25000325 + ... + 25000386.

It is an arithmetic number, because the mean of its divisors is an integer number (400005696).

Almost surely, 2^1550022041 is an apocalyptic number.

It is an amenable number.

1550022041 is a deficient number, since it is larger than the sum of its proper divisors (50000743).

1550022041 is an equidigital number, since it uses as much as digits as its factorization.

1550022041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000742.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1550022041 is about 39370.3192900439. The cubic root of 1550022041 is about 1157.3000128130.

Adding to 1550022041 its reverse (1402200551), we get a palindrome (2952222592).

The spelling of 1550022041 in words is "one billion, five hundred fifty million, twenty-two thousand, forty-one".