211222002 has 8 divisors (see below), whose sum is σ = 422444016. Its totient is φ = 70407332.

The previous prime is 211221979. The next prime is 211222019. The reversal of 211222002 is 200222112.

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

211222002 is an admirable number.

It is a super-2 number, since 2×211222002² = 89229468257776008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601828 + ... + 17601839.

It is an arithmetic number, because the mean of its divisors is an integer number (52805502).

Almost surely, 2^211222002 is an apocalyptic number.

211222002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211222002 is a wasteful number, since it uses less digits than its factorization.

211222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35203672.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 211222002 is about 14533.4786613529. The cubic root of 211222002 is about 595.5429001982.

Adding to 211222002 its reverse (200222112), we get a palindrome (411444114).

The spelling of 211222002 in words is "two hundred eleven million, two hundred twenty-two thousand, two".