22301261 has 8 divisors (see below), whose sum is σ = 23289120. Its totient is φ = 21328048.

The previous prime is 22301239. The next prime is 22301273. The reversal of 22301261 is 16210322.

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

It is a cyclic number.

It is not a de Polignac number, because 22301261 - 2¹⁰ = 22300237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22307261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 6696.

It is an arithmetic number, because the mean of its divisors is an integer number (2911140).

Almost surely, 2^22301261 is an apocalyptic number.

It is an amenable number.

22301261 is a deficient number, since it is larger than the sum of its proper divisors (987859).

22301261 is a wasteful number, since it uses less digits than its factorization.

22301261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22301261 is about 4722.4210951587. The cubic root of 22301261 is about 281.4771468039.

Adding to 22301261 its reverse (16210322), we get a palindrome (38511583).

The spelling of 22301261 in words is "twenty-two million, three hundred one thousand, two hundred sixty-one".