22022601 has 4 divisors (see below), whose sum is σ = 29363472. Its totient is φ = 14681732.

The previous prime is 22022597. The next prime is 22022603. The reversal of 22022601 is 10622022.

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 22022601 - 2² = 22022597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22022603) 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, 3670431 + ... + 3670436.

It is an arithmetic number, because the mean of its divisors is an integer number (7340868).

Almost surely, 2^22022601 is an apocalyptic number.

It is an amenable number.

22022601 is a deficient number, since it is larger than the sum of its proper divisors (7340871).

22022601 is an equidigital number, since it uses as much as digits as its factorization.

22022601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340870.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22022601 is about 4692.8244160633. The cubic root of 22022601 is about 280.2998530913.

Adding to 22022601 its reverse (10622022), we get a palindrome (32644623).

The spelling of 22022601 in words is "twenty-two million, twenty-two thousand, six hundred one".