2170724226 has 16 divisors (see below), whose sum is σ = 4736125728. Its totient is φ = 657795200.

The previous prime is 2170724197. The next prime is 2170724249. The reversal of 2170724226 is 6224270712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16444815 + ... + 16444946.

It is an arithmetic number, because the mean of its divisors is an integer number (296007858).

Almost surely, 2^2170724226 is an apocalyptic number.

2170724226 is an abundant number, since it is smaller than the sum of its proper divisors (2565401502).

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

2170724226 is a wasteful number, since it uses less digits than its factorization.

2170724226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32889777.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2170724226 is about 46591.0316048057. The cubic root of 2170724226 is about 1294.7966021742.

Adding to 2170724226 its reverse (6224270712), we get a palindrome (8394994938).

The spelling of 2170724226 in words is "two billion, one hundred seventy million, seven hundred twenty-four thousand, two hundred twenty-six".