2700227781 has 6 divisors (see below), whose sum is σ = 3900329030. Its totient is φ = 1800151848.

The previous prime is 2700227779. The next prime is 2700227791. The reversal of 2700227781 is 1877220072.

It can be written as a sum of positive squares in only one way, i.e., 1722665025 + 977562756 = 41505^2 + 31266^2 .

It is not a de Polignac number, because 2700227781 - 2¹ = 2700227779 is a prime.

It is a super-2 number, since 2×2700227781² = 14582460138568367922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2700227701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150012646 + ... + 150012663.

Almost surely, 2^2700227781 is an apocalyptic number.

It is an amenable number.

2700227781 is a deficient number, since it is larger than the sum of its proper divisors (1200101249).

2700227781 is a wasteful number, since it uses less digits than its factorization.

2700227781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300025315 (or 300025312 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 2700227781 is about 51963.7160045353. The cubic root of 2700227781 is about 1392.5158069733.

The spelling of 2700227781 in words is "two billion, seven hundred million, two hundred twenty-seven thousand, seven hundred eighty-one".