22770733 has 2 divisors, whose sum is σ = 22770734. Its totient is φ = 22770732.

The previous prime is 22770731. The next prime is 22770749. The reversal of 22770733 is 33707722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13638249 + 9132484 = 3693^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 22770733 - 2¹ = 22770731 is a prime.

Together with 22770731, it forms a pair of twin primes.

It is equal to p_1434694 and since 22770733 and 1434694 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22770695 and 22770704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22770731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385366 + 11385367.

It is an arithmetic number, because the mean of its divisors is an integer number (11385367).

Almost surely, 2^22770733 is an apocalyptic number.

It is an amenable number.

22770733 is a deficient number, since it is larger than the sum of its proper divisors (1).

22770733 is an equidigital number, since it uses as much as digits as its factorization.

22770733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 22770733 is about 4771.8689210832. The cubic root of 22770733 is about 283.4386061712.

The spelling of 22770733 in words is "twenty-two million, seven hundred seventy thousand, seven hundred thirty-three".