627422261 has 4 divisors (see below), whose sum is σ = 627696300. Its totient is φ = 627148224.

The previous prime is 627422197. The next prime is 627422269. The reversal of 627422261 is 162224726.

627422261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162224726 = 2 ⋅81112363.

It can be written as a sum of positive squares in 2 ways, for example, as 199346161 + 428076100 = 14119^2 + 20690^2 .

It is a cyclic number.

It is not a de Polignac number, because 627422261 - 2⁶ = 627422197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627422269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133556 + ... + 138173.

It is an arithmetic number, because the mean of its divisors is an integer number (156924075).

Almost surely, 2^627422261 is an apocalyptic number.

It is an amenable number.

627422261 is a deficient number, since it is larger than the sum of its proper divisors (274039).

627422261 is a wasteful number, since it uses less digits than its factorization.

627422261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274038.

The product of its digits is 16128, while the sum is 32.

The square root of 627422261 is about 25048.3983719518. The cubic root of 627422261 is about 856.0910849628.

Adding to 627422261 its reverse (162224726), we get a palindrome (789646987).

The spelling of 627422261 in words is "six hundred twenty-seven million, four hundred twenty-two thousand, two hundred sixty-one".