1210211222 has 16 divisors (see below), whose sum is σ = 2017712592. Its totient is φ = 539716320.

The previous prime is 1210211203. The next prime is 1210211237. The reversal of 1210211222 is 2221120121.

It is a super-2 number, since 2×1210211222² = 2929222403709466568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210211197 and 1210211206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517793 + ... + 520124.

It is an arithmetic number, because the mean of its divisors is an integer number (126107037).

Almost surely, 2^1210211222 is an apocalyptic number.

1210211222 is a deficient number, since it is larger than the sum of its proper divisors (807501370).

1210211222 is a wasteful number, since it uses less digits than its factorization.

1210211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037983.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1210211222 is about 34788.0902321470. The cubic root of 1210211222 is about 1065.6642382928.

Adding to 1210211222 its reverse (2221120121), we get a palindrome (3431331343).

The spelling of 1210211222 in words is "one billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".