2212249726 has 4 divisors (see below), whose sum is σ = 3318374592. Its totient is φ = 1106124862.

The previous prime is 2212249709. The next prime is 2212249727. The reversal of 2212249726 is 6279422122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212249727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553062430 + ... + 553062433.

It is an arithmetic number, because the mean of its divisors is an integer number (829593648).

Almost surely, 2^2212249726 is an apocalyptic number.

2212249726 is a deficient number, since it is larger than the sum of its proper divisors (1106124866).

2212249726 is a wasteful number, since it uses less digits than its factorization.

2212249726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106124865.

The product of its digits is 48384, while the sum is 37.

The square root of 2212249726 is about 47034.5588477239. The cubic root of 2212249726 is about 1303.0009029278. Note that the first 3 decimals are identical.

The spelling of 2212249726 in words is "two billion, two hundred twelve million, two hundred forty-nine thousand, seven hundred twenty-six".