1285225702 has 20 divisors (see below), whose sum is σ = 2035352556. Its totient is φ = 608667660.

The previous prime is 1285225693. The next prime is 1285225703. The reversal of 1285225702 is 2075225821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285225703) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 258177 + ... + 263107.

Almost surely, 2^1285225702 is an apocalyptic number.

1285225702 is a deficient number, since it is larger than the sum of its proper divisors (750126854).

1285225702 is an frugal number, since it uses more digits than its factorization.

1285225702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 4952 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1285225702 is about 35850.0446582707. The cubic root of 1285225702 is about 1087.2426172412.

The spelling of 1285225702 in words is "one billion, two hundred eighty-five million, two hundred twenty-five thousand, seven hundred two".