1225701066 has 16 divisors (see below), whose sum is σ = 2535933600. Its totient is φ = 394478448.

The previous prime is 1225701047. The next prime is 1225701083. The reversal of 1225701066 is 6601075221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521956 + ... + 3522303.

It is an arithmetic number, because the mean of its divisors is an integer number (158495850).

Almost surely, 2^1225701066 is an apocalyptic number.

1225701066 is an abundant number, since it is smaller than the sum of its proper divisors (1310232534).

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

1225701066 is a wasteful number, since it uses less digits than its factorization.

1225701066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044293.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1225701066 is about 35010.0137960556. The cubic root of 1225701066 is about 1070.1915591470.

Adding to 1225701066 its reverse (6601075221), we get a palindrome (7826776287).

The spelling of 1225701066 in words is "one billion, two hundred twenty-five million, seven hundred one thousand, sixty-six".