22077197 has 8 divisors (see below), whose sum is σ = 22734336. Its totient is φ = 21423312.

The previous prime is 22077193. The next prime is 22077241. The reversal of 22077197 is 79177022.

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 22077197 - 2² = 22077193 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 (22077193) 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 7 ways as a sum of consecutive naturals, for example, 21968 + ... + 22950.

It is an arithmetic number, because the mean of its divisors is an integer number (2841792).

Almost surely, 2^22077197 is an apocalyptic number.

It is an amenable number.

22077197 is a deficient number, since it is larger than the sum of its proper divisors (657139).

22077197 is an equidigital number, since it uses as much as digits as its factorization.

22077197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 22077197 is about 4698.6377813149. The cubic root of 22077197 is about 280.5312914232.

The spelling of 22077197 in words is "twenty-two million, seventy-seven thousand, one hundred ninety-seven".