1225342004 has 12 divisors (see below), whose sum is σ = 2144776704. Its totient is φ = 612548664.

The previous prime is 1225342003. The next prime is 1225342037. The reversal of 1225342004 is 4002435221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225342003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822 + ... + 49845.

It is an arithmetic number, because the mean of its divisors is an integer number (178731392).

Almost surely, 2^1225342004 is an apocalyptic number.

It is an amenable number.

1225342004 is a deficient number, since it is larger than the sum of its proper divisors (919434700).

1225342004 is a wasteful number, since it uses less digits than its factorization.

1225342004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61174 (or 61172 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1225342004 is about 35004.8854304653. The cubic root of 1225342004 is about 1070.0870468095.

Adding to 1225342004 its reverse (4002435221), we get a palindrome (5227777225).

The spelling of 1225342004 in words is "one billion, two hundred twenty-five million, three hundred forty-two thousand, four".