2185249402 has 16 divisors (see below), whose sum is σ = 3770006400. Its totient is φ = 930569328.

The previous prime is 2185249397. The next prime is 2185249403. The reversal of 2185249402 is 2049425812.

It is not an unprimeable number, because it can be changed into a prime (2185249403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494902 + ... + 499297.

It is an arithmetic number, because the mean of its divisors is an integer number (235625400).

Almost surely, 2^2185249402 is an apocalyptic number.

2185249402 is a deficient number, since it is larger than the sum of its proper divisors (1584756998).

2185249402 is a wasteful number, since it uses less digits than its factorization.

2185249402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994365.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2185249402 is about 46746.6512383508. The cubic root of 2185249402 is about 1297.6781834856.

The spelling of 2185249402 in words is "two billion, one hundred eighty-five million, two hundred forty-nine thousand, four hundred two".