22024427 has 4 divisors (see below), whose sum is σ = 22783920. Its totient is φ = 21264936.

The previous prime is 22024423. The next prime is 22024459. The reversal of 22024427 is 72442022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22024427 - 2² = 22024423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22024423) 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, 379703 + ... + 379760.

It is an arithmetic number, because the mean of its divisors is an integer number (5695980).

Almost surely, 2^22024427 is an apocalyptic number.

22024427 is a deficient number, since it is larger than the sum of its proper divisors (759493).

22024427 is an equidigital number, since it uses as much as digits as its factorization.

22024427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759492.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22024427 is about 4693.0189643768. The cubic root of 22024427 is about 280.3075998811.

Adding to 22024427 its reverse (72442022), we get a palindrome (94466449).

The spelling of 22024427 in words is "twenty-two million, twenty-four thousand, four hundred twenty-seven".