22305001 has 4 divisors (see below), whose sum is σ = 22358404. Its totient is φ = 22251600.

The previous prime is 22304999. The next prime is 22305007. The reversal of 22305001 is 10050322.

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 11048976 + 11256025 = 3324^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22305001 - 2¹ = 22304999 is a prime.

It is a super-2 number, since 2×22305001² = 995026139220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22305007) 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, 26070 + ... + 26911.

It is an arithmetic number, because the mean of its divisors is an integer number (5589601).

Almost surely, 2^22305001 is an apocalyptic number.

It is an amenable number.

22305001 is a deficient number, since it is larger than the sum of its proper divisors (53403).

22305001 is an equidigital number, since it uses as much as digits as its factorization.

22305001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53402.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 22305001 is about 4722.8170618816. The cubic root of 22305001 is about 281.4928808272.

Adding to 22305001 its reverse (10050322), we get a palindrome (32355323).

The spelling of 22305001 in words is "twenty-two million, three hundred five thousand, one".