2228489551 has 2 divisors, whose sum is σ = 2228489552. Its totient is φ = 2228489550.

The previous prime is 2228489521. The next prime is 2228489579. The reversal of 2228489551 is 1559848222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2228489551 - 2⁵ = 2228489519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228489521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114244775 + 1114244776.

It is an arithmetic number, because the mean of its divisors is an integer number (1114244776).

Almost surely, 2^2228489551 is an apocalyptic number.

2228489551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228489551 is an equidigital number, since it uses as much as digits as its factorization.

2228489551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 46.

The square root of 2228489551 is about 47206.8803353918. The cubic root of 2228489551 is about 1306.1815170220.

The spelling of 2228489551 in words is "two billion, two hundred twenty-eight million, four hundred eighty-nine thousand, five hundred fifty-one".