215552002 has 4 divisors (see below), whose sum is σ = 323328006. Its totient is φ = 107776000.

The previous prime is 215551997. The next prime is 215552003. The reversal of 215552002 is 200255512.

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., 215473041 + 78961 = 14679^2 + 281^2 .

It is not an unprimeable number, because it can be changed into a prime (215552003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53887999 + ... + 53888002.

Almost surely, 2^215552002 is an apocalyptic number.

215552002 is a deficient number, since it is larger than the sum of its proper divisors (107776004).

215552002 is a wasteful number, since it uses less digits than its factorization.

215552002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107776003.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 215552002 is about 14681.6893442138. The cubic root of 215552002 is about 599.5848999231.

The spelling of 215552002 in words is "two hundred fifteen million, five hundred fifty-two thousand, two".