7890002282 has 12 divisors (see below), whose sum is σ = 12490683426. Its totient is φ = 3737369160.

The previous prime is 7890002269. The next prime is 7890002287. The reversal of 7890002282 is 2822000987.

It can be written as a sum of positive squares in only one way, i.e., 5544440521 + 2345561761 = 74461^2 + 48431^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7890002287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5463269 + ... + 5464712.

Almost surely, 2^7890002282 is an apocalyptic number.

7890002282 is a deficient number, since it is larger than the sum of its proper divisors (4600681144).

7890002282 is a wasteful number, since it uses less digits than its factorization.

7890002282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928021 (or 10928002 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 7890002282 is about 88825.6848101944. The cubic root of 7890002282 is about 1990.7911874631.

The spelling of 7890002282 in words is "seven billion, eight hundred ninety million, two thousand, two hundred eighty-two".