2256172070 has 16 divisors (see below), whose sum is σ = 4121724528. Its totient is φ = 888998880.

The previous prime is 2256172019. The next prime is 2256172099. The reversal of 2256172070 is 702716522.

It is a congruent number.

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, 1683041 + ... + 1684380.

It is an arithmetic number, because the mean of its divisors is an integer number (257607783).

Almost surely, 2^2256172070 is an apocalyptic number.

2256172070 is a deficient number, since it is larger than the sum of its proper divisors (1865552458).

2256172070 is a wasteful number, since it uses less digits than its factorization.

2256172070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367495.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2256172070 is about 47499.1796771271. The cubic root of 2256172070 is about 1311.5677809091.

Adding to 2256172070 its reverse (702716522), we get a palindrome (2958888592).

The spelling of 2256172070 in words is "two billion, two hundred fifty-six million, one hundred seventy-two thousand, seventy".