221302002 has 32 divisors (see below), whose sum is σ = 446808960. Its totient is φ = 73070720.

The previous prime is 221301967. The next prime is 221302007. The reversal of 221302002 is 200203122.

221302002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221302007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434524 + ... + 435032.

It is an arithmetic number, because the mean of its divisors is an integer number (13962780).

Almost surely, 2^221302002 is an apocalyptic number.

221302002 is an abundant number, since it is smaller than the sum of its proper divisors (225506958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221302002 is a wasteful number, since it uses less digits than its factorization.

221302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 221302002 is about 14876.2227060501. Note that the first 3 decimals coincide. The cubic root of 221302002 is about 604.8696319967.

Adding to 221302002 its reverse (200203122), we get a palindrome (421505124).

The spelling of 221302002 in words is "two hundred twenty-one million, three hundred two thousand, two".