1225174200 has 48 divisors (see below), whose sum is σ = 3798041880. Its totient is φ = 326712960.

The previous prime is 1225174187. The next prime is 1225174211. The reversal of 1225174200 is 24715221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1020379 + ... + 1021578.

Almost surely, 2^1225174200 is an apocalyptic number.

1225174200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225174200 is an abundant number, since it is smaller than the sum of its proper divisors (2572867680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225174200 is a wasteful number, since it uses less digits than its factorization.

1225174200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041976 (or 2041967 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1225174200 is about 35002.4884829636. The cubic root of 1225174200 is about 1070.0381970235.

Adding to 1225174200 its reverse (24715221), we get a palindrome (1249889421).

The spelling of 1225174200 in words is "one billion, two hundred twenty-five million, one hundred seventy-four thousand, two hundred".