1022210212 has 24 divisors (see below), whose sum is σ = 1871364600. Its totient is φ = 487931136.

The previous prime is 1022210197. The next prime is 1022210227. The reversal of 1022210212 is 2120122201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022210197) and next prime (1022210227).

It can be written as a sum of positive squares in 4 ways, for example, as 23270976 + 998939236 = 4824^2 + 31606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022210192 and 1022210201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39183 + ... + 59830.

It is an arithmetic number, because the mean of its divisors is an integer number (77973525).

Almost surely, 2^1022210212 is an apocalyptic number.

It is an amenable number.

1022210212 is a deficient number, since it is larger than the sum of its proper divisors (849154388).

1022210212 is a wasteful number, since it uses less digits than its factorization.

1022210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99135 (or 99133 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022210212 is about 31972.0223320327. The cubic root of 1022210212 is about 1007.3492600614.

Adding to 1022210212 its reverse (2120122201), we get a palindrome (3142332413).

The spelling of 1022210212 in words is "one billion, twenty-two million, two hundred ten thousand, two hundred twelve".