2258228505 has 64 divisors (see below), whose sum is σ = 4049740800. Its totient is φ = 1067329536.

The previous prime is 2258228491. The next prime is 2258228543. The reversal of 2258228505 is 5058228522.

It is a happy number.

It is not a de Polignac number, because 2258228505 - 2⁸ = 2258228249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a cake number, because a cake can be divided into 2258228505 parts by 2384 planar cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 483421 + ... + 488069.

It is an arithmetic number, because the mean of its divisors is an integer number (63277200).

Almost surely, 2^2258228505 is an apocalyptic number.

It is an amenable number.

2258228505 is a deficient number, since it is larger than the sum of its proper divisors (1791512295).

2258228505 is a wasteful number, since it uses less digits than its factorization.

2258228505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 2258228505 is about 47520.8218047626. The cubic root of 2258228505 is about 1311.9661451534.

The spelling of 2258228505 in words is "two billion, two hundred fifty-eight million, two hundred twenty-eight thousand, five hundred five".