12222858 has 16 divisors (see below), whose sum is σ = 24482016. Its totient is φ = 4068240.

The previous prime is 12222857. The next prime is 12222869. The reversal of 12222858 is 85822221.

It is not an unprimeable number, because it can be changed into a prime (12222851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (1530126).

Almost surely, 2^12222858 is an apocalyptic number.

12222858 is an abundant number, since it is smaller than the sum of its proper divisors (12259158).

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

12222858 is a wasteful number, since it uses less digits than its factorization.

12222858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its digits is 5120, while the sum is 30.

The square root of 12222858 is about 3496.1204212670. The cubic root of 12222858 is about 230.3514350161.

The spelling of 12222858 in words is "twelve million, two hundred twenty-two thousand, eight hundred fifty-eight".