22201701 has 4 divisors (see below), whose sum is σ = 29602272. Its totient is φ = 14801132.

The previous prime is 22201691. The next prime is 22201727. The reversal of 22201701 is 10710222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22201701 - 2⁷ = 22201573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201001) 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, 3700281 + ... + 3700286.

It is an arithmetic number, because the mean of its divisors is an integer number (7400568).

Almost surely, 2^22201701 is an apocalyptic number.

It is an amenable number.

22201701 is a deficient number, since it is larger than the sum of its proper divisors (7400571).

22201701 is an equidigital number, since it uses as much as digits as its factorization.

22201701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400570.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 22201701 is about 4711.8681008704. The cubic root of 22201701 is about 281.0576537688.

Adding to 22201701 its reverse (10710222), we get a palindrome (32911923).

The spelling of 22201701 in words is "twenty-two million, two hundred one thousand, seven hundred one".