222021003 has 8 divisors (see below), whose sum is σ = 313441488. Its totient is φ = 139307264.

The previous prime is 222020999. The next prime is 222021011. The reversal of 222021003 is 300120222.

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

It is a cyclic number.

It is not a de Polignac number, because 222021003 - 2² = 222020999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222021003.

It is not an unprimeable number, because it can be changed into a prime (222021073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176626 + ... + 2176727.

It is an arithmetic number, because the mean of its divisors is an integer number (39180186).

Almost surely, 2^222021003 is an apocalyptic number.

222021003 is a deficient number, since it is larger than the sum of its proper divisors (91420485).

222021003 is a wasteful number, since it uses less digits than its factorization.

222021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353373.

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

The square root of 222021003 is about 14900.3692236132. The cubic root of 222021003 is about 605.5239892731.

Adding to 222021003 its reverse (300120222), we get a palindrome (522141225).

The spelling of 222021003 in words is "two hundred twenty-two million, twenty-one thousand, three".