226378185190 has 32 divisors (see below), whose sum is σ = 419834262816. Its totient is φ = 87846716160.

The previous prime is 226378185181. The next prime is 226378185199. The reversal of 226378185190 is 91581873622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (226378185181) and next prime (226378185199).

It is a super-2 number, since 2×226378185190² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226378185199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497332 + ... + 2586391.

It is an arithmetic number, because the mean of its divisors is an integer number (13119820713).

Almost surely, 2^226378185190 is an apocalyptic number.

226378185190 is a deficient number, since it is larger than the sum of its proper divisors (193456077626).

226378185190 is a wasteful number, since it uses less digits than its factorization.

226378185190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083864.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 226378185190 in words is "two hundred twenty-six billion, three hundred seventy-eight million, one hundred eighty-five thousand, one hundred ninety".