1522002002 has 4 divisors (see below), whose sum is σ = 2283003006. Its totient is φ = 761001000.

The previous prime is 1522001963. The next prime is 1522002029. The reversal of 1522002002 is 2002002251.

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., 1119638521 + 402363481 = 33461^2 + 20059^2 .

1522002002 is a modest number, since divided by 2002 gives 1522 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380500499 + ... + 380500502.

Almost surely, 2^1522002002 is an apocalyptic number.

1522002002 is a deficient number, since it is larger than the sum of its proper divisors (761001004).

1522002002 is an equidigital number, since it uses as much as digits as its factorization.

1522002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761001003.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1522002002 is about 39012.8440644873. The cubic root of 1522002002 is about 1150.2839883394.

Adding to 1522002002 its reverse (2002002251), we get a palindrome (3524004253).

The spelling of 1522002002 in words is "one billion, five hundred twenty-two million, two thousand, two".