2228979649 has 8 divisors (see below), whose sum is σ = 2400818112. Its totient is φ = 2057195280.

The previous prime is 2228979619. The next prime is 2228979673. The reversal of 2228979649 is 9469798222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2228979649 - 2²³ = 2220591041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2228979593 and 2228979602.

It is not an unprimeable number, because it can be changed into a prime (2228979619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123684 + ... + 140554.

It is an arithmetic number, because the mean of its divisors is an integer number (300102264).

Almost surely, 2^2228979649 is an apocalyptic number.

It is an amenable number.

2228979649 is a deficient number, since it is larger than the sum of its proper divisors (171838463).

2228979649 is a wasteful number, since it uses less digits than its factorization.

2228979649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27047.

The product of its digits is 7838208, while the sum is 58.

The square root of 2228979649 is about 47212.0710094357. The cubic root of 2228979649 is about 1306.2772634924.

The spelling of 2228979649 in words is "two billion, two hundred twenty-eight million, nine hundred seventy-nine thousand, six hundred forty-nine".