2151022586 has 24 divisors (see below), whose sum is σ = 3338915520. Its totient is φ = 1039135032.

The previous prime is 2151022579. The next prime is 2151022589. The reversal of 2151022586 is 6852201512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151022589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345941 + ... + 352103.

It is an arithmetic number, because the mean of its divisors is an integer number (139121480).

Almost surely, 2^2151022586 is an apocalyptic number.

2151022586 is a deficient number, since it is larger than the sum of its proper divisors (1187892934).

2151022586 is an equidigital number, since it uses as much as digits as its factorization.

2151022586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6291 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 2151022586 is about 46379.1179950633. The cubic root of 2151022586 is about 1290.8674705351.

The spelling of 2151022586 in words is "two billion, one hundred fifty-one million, twenty-two thousand, five hundred eighty-six".