1211030222 has 8 divisors (see below), whose sum is σ = 1817157672. Its totient is φ = 605311000.

The previous prime is 1211030213. The next prime is 1211030291. The reversal of 1211030222 is 2220301121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211030197 and 1211030206.

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, 94529 + ... + 106572.

It is an arithmetic number, because the mean of its divisors is an integer number (227144709).

Almost surely, 2^1211030222 is an apocalyptic number.

1211030222 is a deficient number, since it is larger than the sum of its proper divisors (606127450).

1211030222 is a wasteful number, since it uses less digits than its factorization.

1211030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204114.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1211030222 is about 34799.8595112107. The cubic root of 1211030222 is about 1065.9045771106.

Adding to 1211030222 its reverse (2220301121), we get a palindrome (3431331343).

The spelling of 1211030222 in words is "one billion, two hundred eleven million, thirty thousand, two hundred twenty-two".