1225154324 has 12 divisors (see below), whose sum is σ = 2149140000. Its totient is φ = 611114328.

The previous prime is 1225154321. The next prime is 1225154339. The reversal of 1225154324 is 4234515221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225154321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363824 + ... + 367175.

It is an arithmetic number, because the mean of its divisors is an integer number (179095000).

Almost surely, 2^1225154324 is an apocalyptic number.

It is an amenable number.

1225154324 is a deficient number, since it is larger than the sum of its proper divisors (923985676).

1225154324 is a wasteful number, since it uses less digits than its factorization.

1225154324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731422 (or 731420 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1225154324 is about 35002.2045591417. The cubic root of 1225154324 is about 1070.0324105826.

Adding to 1225154324 its reverse (4234515221), we get a palindrome (5459669545).

The spelling of 1225154324 in words is "one billion, two hundred twenty-five million, one hundred fifty-four thousand, three hundred twenty-four".