2228081457 has 16 divisors (see below), whose sum is σ = 3419601920. Its totient is φ = 1264028112.

The previous prime is 2228081419. The next prime is 2228081501. The reversal of 2228081457 is 7541808222.

It is not a de Polignac number, because 2228081457 - 2¹⁵ = 2228048689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228081657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378733 + ... + 384570.

It is an arithmetic number, because the mean of its divisors is an integer number (213725120).

Almost surely, 2^2228081457 is an apocalyptic number.

It is an amenable number.

2228081457 is a deficient number, since it is larger than the sum of its proper divisors (1191520463).

2228081457 is a wasteful number, since it uses less digits than its factorization.

2228081457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763452.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2228081457 is about 47202.5577379023. The cubic root of 2228081457 is about 1306.1017802961.

Adding to 2228081457 its reverse (7541808222), we get a palindrome (9769889679).

The spelling of 2228081457 in words is "two billion, two hundred twenty-eight million, eighty-one thousand, four hundred fifty-seven".