213221002 has 8 divisors (see below), whose sum is σ = 336664800. Its totient is φ = 100999404.

The previous prime is 213220991. The next prime is 213221003. The reversal of 213221002 is 200122312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805502 + ... + 2805577.

It is an arithmetic number, because the mean of its divisors is an integer number (42083100).

Almost surely, 2^213221002 is an apocalyptic number.

213221002 is a deficient number, since it is larger than the sum of its proper divisors (123443798).

213221002 is a wasteful number, since it uses less digits than its factorization.

213221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611100.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213221002 is about 14602.0889601454. The cubic root of 213221002 is about 597.4157390092.

Adding to 213221002 its reverse (200122312), we get a palindrome (413343314).

The spelling of 213221002 in words is "two hundred thirteen million, two hundred twenty-one thousand, two".