2288421902 has 48 divisors (see below), whose sum is σ = 4004098560. Its totient is φ = 977217696.

The previous prime is 2288421881. The next prime is 2288421907. The reversal of 2288421902 is 2091248822.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288421907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272003 + ... + 280289.

It is an arithmetic number, because the mean of its divisors is an integer number (83418720).

Almost surely, 2^2288421902 is an apocalyptic number.

2288421902 is a deficient number, since it is larger than the sum of its proper divisors (1715676658).

2288421902 is a wasteful number, since it uses less digits than its factorization.

2288421902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2288421902 is about 47837.4529213251. The cubic root of 2288421902 is about 1317.7874439529.

The spelling of 2288421902 in words is "two billion, two hundred eighty-eight million, four hundred twenty-one thousand, nine hundred two".