2229681949 has 16 divisors (see below), whose sum is σ = 2446361280. Its totient is φ = 2015372160.

The previous prime is 2229681887. The next prime is 2229681953. The reversal of 2229681949 is 9491869222.

It is a cyclic number.

It is not a de Polignac number, because 2229681949 - 2¹⁹ = 2229157661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2229681896 and 2229681905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229681989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157937 + ... + 2158969.

It is an arithmetic number, because the mean of its divisors is an integer number (152897580).

Almost surely, 2^2229681949 is an apocalyptic number.

It is an amenable number.

2229681949 is a deficient number, since it is larger than the sum of its proper divisors (216679331).

2229681949 is a wasteful number, since it uses less digits than its factorization.

2229681949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 1119744, while the sum is 52.

The square root of 2229681949 is about 47219.5081401744. The cubic root of 2229681949 is about 1306.4144416835.

The spelling of 2229681949 in words is "two billion, two hundred twenty-nine million, six hundred eighty-one thousand, nine hundred forty-nine".