1554231122 has 8 divisors (see below), whose sum is σ = 2454049200. Its totient is φ = 736214724.

The previous prime is 1554231121. The next prime is 1554231131. The reversal of 1554231122 is 2211324551.

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

It is a junction number, because it is equal to n+sod(n) for n = 1554231091 and 1554231100.

It is not an unprimeable number, because it can be changed into a prime (1554231121) 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, 20450372 + ... + 20450447.

It is an arithmetic number, because the mean of its divisors is an integer number (306756150).

Almost surely, 2^1554231122 is an apocalyptic number.

1554231122 is a deficient number, since it is larger than the sum of its proper divisors (899818078).

1554231122 is a wasteful number, since it uses less digits than its factorization.

1554231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40900840.

The product of its digits is 2400, while the sum is 26.

The square root of 1554231122 is about 39423.7380520924. The cubic root of 1554231122 is about 1158.3466144720.

Adding to 1554231122 its reverse (2211324551), we get a palindrome (3765555673).

It can be divided in two parts, 15542 and 31122, that added together give a palindrome (46664).

The spelling of 1554231122 in words is "one billion, five hundred fifty-four million, two hundred thirty-one thousand, one hundred twenty-two".