1210420222 has 16 divisors (see below), whose sum is σ = 1982351232. Its totient is φ = 549728920.

The previous prime is 1210420193. The next prime is 1210420243. The reversal of 1210420222 is 2220240121.

It is a super-2 number, since 2×1210420222² = 2930234227653058568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210420196 and 1210420205.

It is a congruent number.

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, 4413 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (123896952).

Almost surely, 2^1210420222 is an apocalyptic number.

1210420222 is a deficient number, since it is larger than the sum of its proper divisors (771931010).

1210420222 is a wasteful number, since it uses less digits than its factorization.

1210420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46223.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1210420222 is about 34791.0940040695. The cubic root of 1210420222 is about 1065.7255804788.

Adding to 1210420222 its reverse (2220240121), we get a palindrome (3430660343).

The spelling of 1210420222 in words is "one billion, two hundred ten million, four hundred twenty thousand, two hundred twenty-two".