22316961 has 4 divisors (see below), whose sum is σ = 29755952. Its totient is φ = 14877972.

The previous prime is 22316951. The next prime is 22316977. The reversal of 22316961 is 16961322.

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 not a de Polignac number, because 22316961 - 2⁵ = 22316929 is a prime.

It is a super-3 number, since 3×22316961³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22316941) 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 3 ways as a sum of consecutive naturals, for example, 3719491 + ... + 3719496.

It is an arithmetic number, because the mean of its divisors is an integer number (7438988).

Almost surely, 2^22316961 is an apocalyptic number.

It is an amenable number.

22316961 is a deficient number, since it is larger than the sum of its proper divisors (7438991).

22316961 is an equidigital number, since it uses as much as digits as its factorization.

22316961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438990.

The product of its digits is 3888, while the sum is 30.

The square root of 22316961 is about 4724.0830856368. The cubic root of 22316961 is about 281.5431842442.

The spelling of 22316961 in words is "twenty-two million, three hundred sixteen thousand, nine hundred sixty-one".