22236701 has 4 divisors (see below), whose sum is σ = 22271004. Its totient is φ = 22202400.

The previous prime is 22236691. The next prime is 22236727. The reversal of 22236701 is 10763222.

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 17935225 + 4301476 = 4235^2 + 2074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22236701 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 (22236751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16160 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (5567751).

Almost surely, 2^22236701 is an apocalyptic number.

It is an amenable number.

22236701 is a deficient number, since it is larger than the sum of its proper divisors (34303).

22236701 is an equidigital number, since it uses as much as digits as its factorization.

22236701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34302.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22236701 is about 4715.5806641388. The cubic root of 22236701 is about 281.2052678817.

Adding to 22236701 its reverse (10763222), we get a palindrome (32999923).

The spelling of 22236701 in words is "twenty-two million, two hundred thirty-six thousand, seven hundred one".