1225149224 has 32 divisors (see below), whose sum is σ = 2475621120. Its totient is φ = 565050816.

The previous prime is 1225149199. The next prime is 1225149229. The reversal of 1225149224 is 4229415221.

It is not an unprimeable number, because it can be changed into a prime (1225149229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182129 + ... + 188735.

It is an arithmetic number, because the mean of its divisors is an integer number (77363160).

Almost surely, 2^1225149224 is an apocalyptic number.

It is an amenable number.

1225149224 is an abundant number, since it is smaller than the sum of its proper divisors (1250471896).

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

1225149224 is a wasteful number, since it uses less digits than its factorization.

1225149224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1225149224 is about 35002.1317065118. The cubic root of 1225149224 is about 1070.0309258246.

The spelling of 1225149224 in words is "one billion, two hundred twenty-five million, one hundred forty-nine thousand, two hundred twenty-four".