2237778341 has 2 divisors, whose sum is σ = 2237778342. Its totient is φ = 2237778340.

The previous prime is 2237778331. The next prime is 2237778379. The reversal of 2237778341 is 1438777322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2194547716 + 43230625 = 46846^2 + 6575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2237778341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2237778292 and 2237778301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2237778331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118889170 + 1118889171.

It is an arithmetic number, because the mean of its divisors is an integer number (1118889171).

Almost surely, 2^2237778341 is an apocalyptic number.

It is an amenable number.

2237778341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237778341 is an equidigital number, since it uses as much as digits as its factorization.

2237778341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 2237778341 is about 47305.1618853588. The cubic root of 2237778341 is about 1307.9938099209.

The spelling of 2237778341 in words is "two billion, two hundred thirty-seven million, seven hundred seventy-eight thousand, three hundred forty-one".