12022251 has 8 divisors (see below), whose sum is σ = 16079424. Its totient is φ = 7989960.

The previous prime is 12022243. The next prime is 12022267. The reversal of 12022251 is 15222021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12022251 - 2³ = 12022243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12022251.

It is not an unprimeable number, because it can be changed into a prime (12022291) 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, 5061 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (2009928).

Almost surely, 2^12022251 is an apocalyptic number.

12022251 is a deficient number, since it is larger than the sum of its proper divisors (4057173).

12022251 is a wasteful number, since it uses less digits than its factorization.

12022251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12022251 is about 3467.3117829235. The cubic root of 12022251 is about 229.0842668973.

Adding to 12022251 its reverse (15222021), we get a palindrome (27244272).

The spelling of 12022251 in words is "twelve million, twenty-two thousand, two hundred fifty-one".