2151530022 has 32 divisors (see below), whose sum is σ = 4468433760. Its totient is φ = 690094080.

The previous prime is 2151530011. The next prime is 2151530089. The reversal of 2151530022 is 2200351512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41947 + ... + 77862.

It is an arithmetic number, because the mean of its divisors is an integer number (139638555).

Almost surely, 2^2151530022 is an apocalyptic number.

2151530022 is an abundant number, since it is smaller than the sum of its proper divisors (2316903738).

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

2151530022 is a wasteful number, since it uses less digits than its factorization.

2151530022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119928.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2151530022 is about 46384.5881947873. The cubic root of 2151530022 is about 1290.9689697210.

Adding to 2151530022 its reverse (2200351512), we get a palindrome (4351881534).

The spelling of 2151530022 in words is "two billion, one hundred fifty-one million, five hundred thirty thousand, twenty-two".