1225724350282 has 4 divisors (see below), whose sum is σ = 1838586525426. Its totient is φ = 612862175140.

The previous prime is 1225724350243. The next prime is 1225724350289. The reversal of 1225724350282 is 2820534275221.

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., 1133673397081 + 92050953201 = 1064741^2 + 303399^2 .

It is not an unprimeable number, because it can be changed into a prime (1225724350289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306431087569 + ... + 306431087572.

Almost surely, 2^{1225724350282} is an apocalyptic number.

1225724350282 is a deficient number, since it is larger than the sum of its proper divisors (612862175144).

1225724350282 is an equidigital number, since it uses as much as digits as its factorization.

1225724350282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612862175143.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 1225724350282 in words is "one trillion, two hundred twenty-five billion, seven hundred twenty-four million, three hundred fifty thousand, two hundred eighty-two".