2190269218 has 16 divisors (see below), whose sum is σ = 3298791096. Its totient is φ = 1090681600.

The previous prime is 2190269203. The next prime is 2190269243. The reversal of 2190269218 is 8129620912.

It can be written as a sum of positive squares in 4 ways, for example, as 2145820329 + 44448889 = 46323^2 + 6667^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618180 + ... + 621712.

Almost surely, 2^2190269218 is an apocalyptic number.

2190269218 is a deficient number, since it is larger than the sum of its proper divisors (1108521878).

2190269218 is a wasteful number, since it uses less digits than its factorization.

2190269218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 2190269218 is about 46800.3121570786. The cubic root of 2190269218 is about 1298.6710715481.

The spelling of 2190269218 in words is "two billion, one hundred ninety million, two hundred sixty-nine thousand, two hundred eighteen".