2270647531 has 2 divisors, whose sum is σ = 2270647532. Its totient is φ = 2270647530.

The previous prime is 2270647529. The next prime is 2270647541. The reversal of 2270647531 is 1357460722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2270647531 - 2¹ = 2270647529 is a prime.

It is a super-2 number, since 2×2270647531² = 10311680420072791922, which contains 22 as substring.

Together with 2270647529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2270647501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135323765 + 1135323766.

It is an arithmetic number, because the mean of its divisors is an integer number (1135323766).

Almost surely, 2^2270647531 is an apocalyptic number.

2270647531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2270647531 is an equidigital number, since it uses as much as digits as its factorization.

2270647531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2270647531 is about 47651.3119546566. The cubic root of 2270647531 is about 1314.3667827014.

The spelling of 2270647531 in words is "two billion, two hundred seventy million, six hundred forty-seven thousand, five hundred thirty-one".