2104221502 has 4 divisors (see below), whose sum is σ = 3156332256. Its totient is φ = 1052110750.

The previous prime is 2104221491. The next prime is 2104221547. The reversal of 2104221502 is 2051224012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2104221502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526055374 + ... + 526055377.

It is an arithmetic number, because the mean of its divisors is an integer number (789083064).

Almost surely, 2^2104221502 is an apocalyptic number.

2104221502 is a deficient number, since it is larger than the sum of its proper divisors (1052110754).

2104221502 is a wasteful number, since it uses less digits than its factorization.

2104221502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052110753.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2104221502 is about 45871.7941877141. The cubic root of 2104221502 is about 1281.4366807204.

Adding to 2104221502 its reverse (2051224012), we get a palindrome (4155445514).

The spelling of 2104221502 in words is "two billion, one hundred four million, two hundred twenty-one thousand, five hundred two".