22770049 has 2 divisors, whose sum is σ = 22770050. Its totient is φ = 22770048.

The previous prime is 22769951. The next prime is 22770067. The reversal of 22770049 is 94007722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 378225 = 4732^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 22770049 - 2¹¹ = 22768001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22770049.

It is not a weakly prime, because it can be changed into another prime (22770749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385024 + 11385025.

It is an arithmetic number, because the mean of its divisors is an integer number (11385025).

Almost surely, 2^22770049 is an apocalyptic number.

It is an amenable number.

22770049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22770049 is an equidigital number, since it uses as much as digits as its factorization.

22770049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 22770049 is about 4771.7972505126. The cubic root of 22770049 is about 283.4357681137.

The spelling of 22770049 in words is "twenty-two million, seven hundred seventy thousand, forty-nine".