2228612977 has 8 divisors (see below), whose sum is σ = 2360263752. Its totient is φ = 2097024000.

The previous prime is 2228612963. The next prime is 2228613001. The reversal of 2228612977 is 7792168222.

It can be written as a sum of positive squares in 4 ways, for example, as 258052096 + 1970560881 = 16064^2 + 44391^2 .

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 2228612977 - 2¹¹ = 2228610929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228613977) 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, 73477 + ... + 99277.

It is an arithmetic number, because the mean of its divisors is an integer number (295032969).

Almost surely, 2^2228612977 is an apocalyptic number.

It is an amenable number.

2228612977 is a deficient number, since it is larger than the sum of its proper divisors (131650775).

2228612977 is a wasteful number, since it uses less digits than its factorization.

2228612977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30899.

The product of its digits is 338688, while the sum is 46.

The square root of 2228612977 is about 47208.1876055415. The cubic root of 2228612977 is about 1306.2056310807.

The spelling of 2228612977 in words is "two billion, two hundred twenty-eight million, six hundred twelve thousand, nine hundred seventy-seven".