22307077 has 8 divisors (see below), whose sum is σ = 25436376. Its totient is φ = 19379712.

The previous prime is 22307071. The next prime is 22307099. The reversal of 22307077 is 77070322.

It can be written as a sum of positive squares in 4 ways, for example, as 320356 + 21986721 = 566^2 + 4689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22307077 is a prime.

It is a super-3 number, since 3×22307077³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22307071) 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, 50248 + ... + 50689.

It is an arithmetic number, because the mean of its divisors is an integer number (3179547).

Almost surely, 2^22307077 is an apocalyptic number.

It is an amenable number.

22307077 is a deficient number, since it is larger than the sum of its proper divisors (3129299).

22307077 is a wasteful number, since it uses less digits than its factorization.

22307077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100967.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 22307077 is about 4723.0368408472. The cubic root of 22307077 is about 281.5016137132.

Adding to 22307077 its reverse (77070322), we get a palindrome (99377399).

The spelling of 22307077 in words is "twenty-two million, three hundred seven thousand, seventy-seven".