22268077 has 4 divisors (see below), whose sum is σ = 23981020. Its totient is φ = 20555136.

The previous prime is 22268069. The next prime is 22268087. The reversal of 22268077 is 77086222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 11417641 = 3294^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 22268077 - 2³ = 22268069 is a prime.

It is a super-3 number, since 3×22268077³ (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 (22268017) 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 3 ways as a sum of consecutive naturals, for example, 856452 + ... + 856477.

It is an arithmetic number, because the mean of its divisors is an integer number (5995255).

Almost surely, 2^22268077 is an apocalyptic number.

It is an amenable number.

22268077 is a deficient number, since it is larger than the sum of its proper divisors (1712943).

22268077 is a wasteful number, since it uses less digits than its factorization.

22268077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712942.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 22268077 is about 4718.9063351586. The cubic root of 22268077 is about 281.3374659978.

The spelling of 22268077 in words is "twenty-two million, two hundred sixty-eight thousand, seventy-seven".