215286002 has 4 divisors (see below), whose sum is σ = 322929006. Its totient is φ = 107643000.

The previous prime is 215285989. The next prime is 215286007. The reversal of 215286002 is 200682512.

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., 140446201 + 74839801 = 11851^2 + 8651^2 .

It is not an unprimeable number, because it can be changed into a prime (215286007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53821499 + ... + 53821502.

Almost surely, 2^215286002 is an apocalyptic number.

215286002 is a deficient number, since it is larger than the sum of its proper divisors (107643004).

215286002 is a wasteful number, since it uses less digits than its factorization.

215286002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107643003.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 215286002 is about 14672.6276446995. The cubic root of 215286002 is about 599.3381609576.

The spelling of 215286002 in words is "two hundred fifteen million, two hundred eighty-six thousand, two".