2242781131 has 2 divisors, whose sum is σ = 2242781132. Its totient is φ = 2242781130.

The previous prime is 2242781069. The next prime is 2242781137. The reversal of 2242781131 is 1311872422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242781131 is a prime.

It is a super-2 number, since 2×2242781131² = 10060134403139278322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2242781093 and 2242781102.

It is not a weakly prime, because it can be changed into another prime (2242781137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121390565 + 1121390566.

It is an arithmetic number, because the mean of its divisors is an integer number (1121390566).

Almost surely, 2^2242781131 is an apocalyptic number.

2242781131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242781131 is an equidigital number, since it uses as much as digits as its factorization.

2242781131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 2242781131 is about 47358.0102094672. The cubic root of 2242781131 is about 1308.9678039284.

The spelling of 2242781131 in words is "two billion, two hundred forty-two million, seven hundred eighty-one thousand, one hundred thirty-one".