1225235002 has 4 divisors (see below), whose sum is σ = 1837852506. Its totient is φ = 612617500.

The previous prime is 1225234981. The next prime is 1225235003. The reversal of 1225235002 is 2005325221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 774564561 + 450670441 = 27831^2 + 21229^2 .

It is not an unprimeable number, because it can be changed into a prime (1225235003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306308749 + ... + 306308752.

Almost surely, 2^1225235002 is an apocalyptic number.

1225235002 is a deficient number, since it is larger than the sum of its proper divisors (612617504).

1225235002 is an equidigital number, since it uses as much as digits as its factorization.

1225235002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612617503.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1225235002 is about 35003.3570104354. The cubic root of 1225235002 is about 1070.0558977407.

The spelling of 1225235002 in words is "one billion, two hundred twenty-five million, two hundred thirty-five thousand, two".