200622749 has 2 divisors, whose sum is σ = 200622750. Its totient is φ = 200622748.

The previous prime is 200622637. The next prime is 200622781. The reversal of 200622749 is 947226002.

It is an a-pointer prime, because the next prime (200622781) can be obtained adding 200622749 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161747524 + 38875225 = 12718^2 + 6235^2 .

It is a cyclic number.

It is not a de Polignac number, because 200622749 - 2¹² = 200618653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200682749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100311374 + 100311375.

It is an arithmetic number, because the mean of its divisors is an integer number (100311375).

Almost surely, 2^200622749 is an apocalyptic number.

It is an amenable number.

200622749 is a deficient number, since it is larger than the sum of its proper divisors (1).

200622749 is an equidigital number, since it uses as much as digits as its factorization.

200622749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 200622749 is about 14164.1360131848. The cubic root of 200622749 is about 585.4098951144.

The spelling of 200622749 in words is "two hundred million, six hundred twenty-two thousand, seven hundred forty-nine".