1002220222 has 8 divisors (see below), whose sum is σ = 1555169400. Its totient is φ = 483830424.

The previous prime is 1002220217. The next prime is 1002220231. The reversal of 1002220222 is 2220222001.

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

It is a congruent number.

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, 8639772 + ... + 8639887.

It is an arithmetic number, because the mean of its divisors is an integer number (194396175).

Almost surely, 2^1002220222 is an apocalyptic number.

1002220222 is a deficient number, since it is larger than the sum of its proper divisors (552949178).

1002220222 is a wasteful number, since it uses less digits than its factorization.

1002220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17279690.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1002220222 is about 31657.8619303326. The cubic root of 1002220222 is about 1000.7395269651.

Adding to 1002220222 its reverse (2220222001), we get a palindrome (3222442223).

The spelling of 1002220222 in words is "one billion, two million, two hundred twenty thousand, two hundred twenty-two".