12222070 has 24 divisors (see below), whose sum is σ = 25592544. Its totient is φ = 4190256.

The previous prime is 12222053. The next prime is 12222101. The reversal of 12222070 is 7022221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11982 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (1066356).

Almost surely, 2^12222070 is an apocalyptic number.

12222070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222070 is an abundant number, since it is smaller than the sum of its proper divisors (13370474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222070 is a wasteful number, since it uses less digits than its factorization.

12222070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24964 (or 24957 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12222070 is about 3496.0077231036. The cubic root of 12222070 is about 230.3464847055.

Adding to 12222070 its reverse (7022221), we get a palindrome (19244291).

The spelling of 12222070 in words is "twelve million, two hundred twenty-two thousand, seventy".