22024121 has 4 divisors (see below), whose sum is σ = 25170432. Its totient is φ = 18877812.

The previous prime is 22024109. The next prime is 22024147. The reversal of 22024121 is 12142022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22024121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22024096 and 22024105.

It is not an unprimeable number, because it can be changed into a prime (22024151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573145 + ... + 1573158.

It is an arithmetic number, because the mean of its divisors is an integer number (6292608).

Almost surely, 2^22024121 is an apocalyptic number.

It is an amenable number.

22024121 is a deficient number, since it is larger than the sum of its proper divisors (3146311).

22024121 is an equidigital number, since it uses as much as digits as its factorization.

22024121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146310.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22024121 is about 4692.9863626480. The cubic root of 22024121 is about 280.3063017085.

Adding to 22024121 its reverse (12142022), we get a palindrome (34166143).

The spelling of 22024121 in words is "twenty-two million, twenty-four thousand, one hundred twenty-one".