2156793226 has 32 divisors (see below), whose sum is σ = 3845432448. Its totient is φ = 888027840.

The previous prime is 2156793211. The next prime is 2156793229. The reversal of 2156793226 is 6223976512.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2156793229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7356 + ... + 66088.

It is an arithmetic number, because the mean of its divisors is an integer number (120169764).

Almost surely, 2^2156793226 is an apocalyptic number.

2156793226 is a deficient number, since it is larger than the sum of its proper divisors (1688639222).

2156793226 is a wasteful number, since it uses less digits than its factorization.

2156793226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58846.

The product of its digits is 272160, while the sum is 43.

The square root of 2156793226 is about 46441.2879451033. The cubic root of 2156793226 is about 1292.0207948581.

The spelling of 2156793226 in words is "two billion, one hundred fifty-six million, seven hundred ninety-three thousand, two hundred twenty-six".