12238722 has 16 divisors (see below), whose sum is σ = 27197280. Its totient is φ = 4079556.

The previous prime is 12238661. The next prime is 12238729. The reversal of 12238722 is 22783221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12238729) 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, 113268 + ... + 113375.

It is an arithmetic number, because the mean of its divisors is an integer number (1699830).

Almost surely, 2^12238722 is an apocalyptic number.

12238722 is an abundant number, since it is smaller than the sum of its proper divisors (14958558).

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

12238722 is a wasteful number, since it uses less digits than its factorization.

12238722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226654 (or 226648 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12238722 is about 3498.3884861462. The cubic root of 12238722 is about 230.4510493436.

The spelling of 12238722 in words is "twelve million, two hundred thirty-eight thousand, seven hundred twenty-two".