2226946187 has 4 divisors (see below), whose sum is σ = 2228625696. Its totient is φ = 2225266680.

The previous prime is 2226946177. The next prime is 2226946193. The reversal of 2226946187 is 7816496222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2226946187 - 2⁴ = 2226946171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226946147) 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, 837764 + ... + 840417.

It is an arithmetic number, because the mean of its divisors is an integer number (557156424).

Almost surely, 2^2226946187 is an apocalyptic number.

2226946187 is a deficient number, since it is larger than the sum of its proper divisors (1679509).

2226946187 is a wasteful number, since it uses less digits than its factorization.

2226946187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679508.

The product of its digits is 580608, while the sum is 47.

The square root of 2226946187 is about 47190.5306920785. The cubic root of 2226946187 is about 1305.8799107779.

The spelling of 2226946187 in words is "two billion, two hundred twenty-six million, nine hundred forty-six thousand, one hundred eighty-seven".