1550232233 has 4 divisors (see below), whose sum is σ = 1691162448. Its totient is φ = 1409302020.

The previous prime is 1550232143. The next prime is 1550232241. The reversal of 1550232233 is 3322320551.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3322320551 = 11 ⋅302029141.

It is a cyclic number.

It is not a de Polignac number, because 1550232233 - 2¹⁰ = 1550231209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550232433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70465091 + ... + 70465112.

It is an arithmetic number, because the mean of its divisors is an integer number (422790612).

Almost surely, 2^1550232233 is an apocalyptic number.

It is an amenable number.

1550232233 is a deficient number, since it is larger than the sum of its proper divisors (140930215).

1550232233 is a wasteful number, since it uses less digits than its factorization.

1550232233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140930214.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1550232233 is about 39372.9886216426. The cubic root of 1550232233 is about 1157.3523226518.

Adding to 1550232233 its reverse (3322320551), we get a palindrome (4872552784).

The spelling of 1550232233 in words is "one billion, five hundred fifty million, two hundred thirty-two thousand, two hundred thirty-three".