1902229704 has 64 divisors (see below), whose sum is σ = 5304686400. Its totient is φ = 631590912.

The previous prime is 1902229691. The next prime is 1902229709. The reversal of 1902229704 is 4079222091.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1902229709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38379 + ... + 72645.

It is an arithmetic number, because the mean of its divisors is an integer number (82885725).

Almost surely, 2^1902229704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902229704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2652343200).

1902229704 is an abundant number, since it is smaller than the sum of its proper divisors (3402456696).

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

1902229704 is a wasteful number, since it uses less digits than its factorization.

1902229704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34539 (or 34529 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1902229704 is about 43614.5583951047. The cubic root of 1902229704 is about 1239.0466362620.

The spelling of 1902229704 in words is "one billion, nine hundred two million, two hundred twenty-nine thousand, seven hundred four".