2226540212 has 24 divisors (see below), whose sum is σ = 4285456896. Its totient is φ = 1005768288.

The previous prime is 2226540193. The next prime is 2226540233. The reversal of 2226540212 is 2120456222.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453068 + ... + 457955.

It is an arithmetic number, because the mean of its divisors is an integer number (178560704).

Almost surely, 2^2226540212 is an apocalyptic number.

It is an amenable number.

2226540212 is a deficient number, since it is larger than the sum of its proper divisors (2058916684).

2226540212 is a wasteful number, since it uses less digits than its factorization.

2226540212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911087 (or 911085 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2226540212 is about 47186.2290504338. The cubic root of 2226540212 is about 1305.8005514563.

Adding to 2226540212 its reverse (2120456222), we get a palindrome (4346996434).

The spelling of 2226540212 in words is "two billion, two hundred twenty-six million, five hundred forty thousand, two hundred twelve".