422780753 has 2 divisors, whose sum is σ = 422780754. Its totient is φ = 422780752.

The previous prime is 422780731. The next prime is 422780801. The reversal of 422780753 is 357087224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324612289 + 98168464 = 18017^2 + 9908^2 .

It is a cyclic number.

It is not a de Polignac number, because 422780753 - 2²² = 418586449 is a prime.

It is a super-3 number, since 3×422780753³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (422780713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211390376 + 211390377.

It is an arithmetic number, because the mean of its divisors is an integer number (211390377).

Almost surely, 2^422780753 is an apocalyptic number.

It is an amenable number.

422780753 is a deficient number, since it is larger than the sum of its proper divisors (1).

422780753 is an equidigital number, since it uses as much as digits as its factorization.

422780753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 422780753 is about 20561.6330333950. The cubic root of 422780753 is about 750.5363588527.

The spelling of 422780753 in words is "four hundred twenty-two million, seven hundred eighty thousand, seven hundred fifty-three".