1554325223 has 12 divisors (see below), whose sum is σ = 1740715704. Its totient is φ = 1386356400.

The previous prime is 1554325219. The next prime is 1554325319. The reversal of 1554325223 is 3225234551.

It is not a de Polignac number, because 1554325223 - 2² = 1554325219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1554325223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554327223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114773 + ... + 127598.

It is an arithmetic number, because the mean of its divisors is an integer number (145059642).

Almost surely, 2^1554325223 is an apocalyptic number.

1554325223 is a deficient number, since it is larger than the sum of its proper divisors (186390481).

1554325223 is a wasteful number, since it uses less digits than its factorization.

1554325223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242446 (or 242435 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 1554325223 is about 39424.9314901117. The cubic root of 1554325223 is about 1158.3699913845.

Adding to 1554325223 its reverse (3225234551), we get a palindrome (4779559774).

The spelling of 1554325223 in words is "one billion, five hundred fifty-four million, three hundred twenty-five thousand, two hundred twenty-three".