22779959 has 8 divisors (see below), whose sum is σ = 24174720. Its totient is φ = 21418936.

The previous prime is 22779943. The next prime is 22779961. The reversal of 22779959 is 95997722.

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 22779959 - 2⁴ = 22779943 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 (22779919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7037 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (3021840).

Almost surely, 2^22779959 is an apocalyptic number.

22779959 is a deficient number, since it is larger than the sum of its proper divisors (1394761).

22779959 is a wasteful number, since it uses less digits than its factorization.

22779959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869.

The product of its digits is 714420, while the sum is 50.

The square root of 22779959 is about 4772.8355303740. The cubic root of 22779959 is about 283.4768812015.

The spelling of 22779959 in words is "twenty-two million, seven hundred seventy-nine thousand, nine hundred fifty-nine".