10022002 has 4 divisors (see below), whose sum is σ = 15033006. Its totient is φ = 5011000.

The previous prime is 10021969. The next prime is 10022009. The reversal of 10022002 is 20022001.

It is a happy number.

10022002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9790641 + 231361 = 3129^2 + 481^2 .

It is not an unprimeable number, because it can be changed into a prime (10022009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505499 + ... + 2505502.

Almost surely, 2^10022002 is an apocalyptic number.

10022002 is a deficient number, since it is larger than the sum of its proper divisors (5011004).

10022002 is an equidigital number, since it uses as much as digits as its factorization.

10022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011003.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 10022002 is about 3165.7545703987. The cubic root of 10022002 is about 215.6013595030.

Adding to 10022002 its reverse (20022001), we get a palindrome (30044003).

Subtracting 10022002 from its reverse (20022001), we obtain a palindrome (9999999).

The spelling of 10022002 in words is "ten million, twenty-two thousand, two".