2258020986 has 16 divisors (see below), whose sum is σ = 4863429984. Its totient is φ = 694775664.

The previous prime is 2258020979. The next prime is 2258020987. The reversal of 2258020986 is 6890208522.

2258020986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2258020987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14474416 + ... + 14474571.

It is an arithmetic number, because the mean of its divisors is an integer number (303964374).

Almost surely, 2^2258020986 is an apocalyptic number.

2258020986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2258020986 is an abundant number, since it is smaller than the sum of its proper divisors (2605408998).

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

2258020986 is a wasteful number, since it uses less digits than its factorization.

2258020986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28949005.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2258020986 is about 47518.6383011971. The cubic root of 2258020986 is about 1311.9259563886.

The spelling of 2258020986 in words is "two billion, two hundred fifty-eight million, twenty thousand, nine hundred eighty-six".