2258644206 has 128 divisors (see below), whose sum is σ = 5959489536. Its totient is φ = 554273280.

The previous prime is 2258644181. The next prime is 2258644253. The reversal of 2258644206 is 6024468522.

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

It is a congruent number.

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, 462216 + ... + 467076.

It is an arithmetic number, because the mean of its divisors is an integer number (46558512).

Almost surely, 2^2258644206 is an apocalyptic number.

2258644206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258644206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979744768).

2258644206 is an abundant number, since it is smaller than the sum of its proper divisors (3700845330).

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

2258644206 is a wasteful number, since it uses less digits than its factorization.

2258644206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2258644206 is about 47525.1954861840. The cubic root of 2258644206 is about 1312.0466436762.

The spelling of 2258644206 in words is "two billion, two hundred fifty-eight million, six hundred forty-four thousand, two hundred six".