2189220009902 has 4 divisors (see below), whose sum is σ = 3283830014856. Its totient is φ = 1094610004950.

The previous prime is 2189220009833. The next prime is 2189220009917. The reversal of 2189220009902 is 2099000229812.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547305002474 + ... + 547305002477.

It is an arithmetic number, because the mean of its divisors is an integer number (820957503714).

Almost surely, 2^{2189220009902} is an apocalyptic number.

2189220009902 is a deficient number, since it is larger than the sum of its proper divisors (1094610004954).

2189220009902 is a wasteful number, since it uses less digits than its factorization.

2189220009902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094610004953.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 2189220009902 in words is "two trillion, one hundred eighty-nine billion, two hundred twenty million, nine thousand, nine hundred two".