2228951880 has 96 divisors (see below), whose sum is σ = 7420827960. Its totient is φ = 579886080.

The previous prime is 2228951849. The next prime is 2228951887. The reversal of 2228951880 is 881598222.

It can be written as a sum of positive squares in 4 ways, for example, as 471497796 + 1757454084 = 21714^2 + 41922^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2228951887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60747 + ... + 90266.

Almost surely, 2^2228951880 is an apocalyptic number.

2228951880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228951880 is an abundant number, since it is smaller than the sum of its proper divisors (5191876080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228951880 is a wasteful number, since it uses less digits than its factorization.

2228951880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151071 (or 151064 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 2228951880 is about 47211.7769205947. The cubic root of 2228951880 is about 1306.2718388632.

The spelling of 2228951880 in words is "two billion, two hundred twenty-eight million, nine hundred fifty-one thousand, eight hundred eighty".