22300121 has 4 divisors (see below), whose sum is σ = 22720932. Its totient is φ = 21879312.

The previous prime is 22300111. The next prime is 22300127. The reversal of 22300121 is 12100322.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5784025 + 16516096 = 2405^2 + 4064^2 .

It is a cyclic number.

It is not a de Polignac number, because 22300121 - 2¹⁰ = 22299097 is a prime.

It is a super-2 number, since 2×22300121² = 994590793229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22300127) 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, 210326 + ... + 210431.

It is an arithmetic number, because the mean of its divisors is an integer number (5680233).

Almost surely, 2^22300121 is an apocalyptic number.

It is an amenable number.

22300121 is a deficient number, since it is larger than the sum of its proper divisors (420811).

22300121 is an equidigital number, since it uses as much as digits as its factorization.

22300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420810.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22300121 is about 4722.3003928170. The cubic root of 22300121 is about 281.4723505218.

Adding to 22300121 its reverse (12100322), we get a palindrome (34400443).

The spelling of 22300121 in words is "twenty-two million, three hundred thousand, one hundred twenty-one".