222103021 has 8 divisors (see below), whose sum is σ = 255251520. Its totient is φ = 189309408.

The previous prime is 222102997. The next prime is 222103067. The reversal of 222103021 is 120301222.

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 222103021 - 2¹⁹ = 221578733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222102992 and 222103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222104021) 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, 87376 + ... + 89881.

It is an arithmetic number, because the mean of its divisors is an integer number (31906440).

Almost surely, 2^222103021 is an apocalyptic number.

It is an amenable number.

222103021 is a deficient number, since it is larger than the sum of its proper divisors (33148499).

222103021 is a wasteful number, since it uses less digits than its factorization.

222103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177443.

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

The square root of 222103021 is about 14903.1211831616. The cubic root of 222103021 is about 605.5985434093.

Adding to 222103021 its reverse (120301222), we get a palindrome (342404243).

The spelling of 222103021 in words is "two hundred twenty-two million, one hundred three thousand, twenty-one".