15554242233 has 6 divisors (see below), whose sum is σ = 22467238794. Its totient is φ = 10369494816.

The previous prime is 15554242217. The next prime is 15554242241. The reversal of 15554242233 is 33224245551.

15554242233 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 424 + 223 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15181443369 + 372798864 = 123213^2 + 19308^2 .

It is not a de Polignac number, because 15554242233 - 2⁴ = 15554242217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15554242433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864124560 + ... + 864124577.

It is an arithmetic number, because the mean of its divisors is an integer number (3744539799).

Almost surely, 2^15554242233 is an apocalyptic number.

It is an amenable number.

15554242233 is a deficient number, since it is larger than the sum of its proper divisors (6912996561).

15554242233 is a wasteful number, since it uses less digits than its factorization.

15554242233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728249143 (or 1728249140 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 15554242233 its reverse (33224245551), we get a palindrome (48778487784).

The spelling of 15554242233 in words is "fifteen billion, five hundred fifty-four million, two hundred forty-two thousand, two hundred thirty-three".