1550232231 has 8 divisors (see below), whose sum is σ = 2083252224. Its totient is φ = 1025350200.

The previous prime is 1550232143. The next prime is 1550232241. The reversal of 1550232231 is 1322320551.

It is a happy number.

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

It is not a de Polignac number, because 1550232231 - 2⁹ = 1550231719 is a prime.

It is a super-2 number, since 2×1550232231² = 4806439940062474722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550232241) 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 7 ways as a sum of consecutive naturals, for example, 2034045 + ... + 2034806.

It is an arithmetic number, because the mean of its divisors is an integer number (260406528).

Almost surely, 2^1550232231 is an apocalyptic number.

1550232231 is a deficient number, since it is larger than the sum of its proper divisors (533019993).

1550232231 is a wasteful number, since it uses less digits than its factorization.

1550232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068981.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1550232231 is about 39372.9885962445. The cubic root of 1550232231 is about 1157.3523221541.

Adding to 1550232231 its reverse (1322320551), we get a palindrome (2872552782).

The spelling of 1550232231 in words is "one billion, five hundred fifty million, two hundred thirty-two thousand, two hundred thirty-one".