4225821002 has 36 divisors (see below), whose sum is σ = 7291507266. Its totient is φ = 1835608320.

The previous prime is 4225820999. The next prime is 4225821011. The reversal of 4225821002 is 2001285224.

It can be written as a sum of positive squares in 9 ways, for example, as 421521961 + 3804299041 = 20531^2 + 61679^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76052 + ... + 119312.

Almost surely, 2^4225821002 is an apocalyptic number.

4225821002 is a deficient number, since it is larger than the sum of its proper divisors (3065686264).

4225821002 is a wasteful number, since it uses less digits than its factorization.

4225821002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43323 (or 43293 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 4225821002 is about 65006.3150932277. The cubic root of 4225821002 is about 1616.7282698931.

The spelling of 4225821002 in words is "four billion, two hundred twenty-five million, eight hundred twenty-one thousand, two".