2226009181 has 4 divisors (see below), whose sum is σ = 2428373664. Its totient is φ = 2023644700.

The previous prime is 2226009179. The next prime is 2226009211. The reversal of 2226009181 is 1819006222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2226009181 - 2¹ = 2226009179 is a prime.

It is a super-2 number, since 2×2226009181² = 9910233747792581522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226009151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101182225 + ... + 101182246.

It is an arithmetic number, because the mean of its divisors is an integer number (607093416).

Almost surely, 2^2226009181 is an apocalyptic number.

It is an amenable number.

2226009181 is a deficient number, since it is larger than the sum of its proper divisors (202364483).

2226009181 is a wasteful number, since it uses less digits than its factorization.

2226009181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202364482.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2226009181 is about 47180.6017447849. The cubic root of 2226009181 is about 1305.6967318317.

The spelling of 2226009181 in words is "two billion, two hundred twenty-six million, nine thousand, one hundred eighty-one".