227492137 has 2 divisors, whose sum is σ = 227492138. Its totient is φ = 227492136.

The previous prime is 227492131. The next prime is 227492143. The reversal of 227492137 is 731294722.

It is a balanced prime because it is at equal distance from previous prime (227492131) and next prime (227492143).

It can be written as a sum of positive squares in only one way, i.e., 225720576 + 1771561 = 15024^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 227492137 - 2³ = 227492129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227492096 and 227492105.

It is not a weakly prime, because it can be changed into another prime (227492131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113746068 + 113746069.

It is an arithmetic number, because the mean of its divisors is an integer number (113746069).

Almost surely, 2^227492137 is an apocalyptic number.

It is an amenable number.

227492137 is a deficient number, since it is larger than the sum of its proper divisors (1).

227492137 is an equidigital number, since it uses as much as digits as its factorization.

227492137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 227492137 is about 15082.8424708342. The cubic root of 227492137 is about 610.4575417038.

The spelling of 227492137 in words is "two hundred twenty-seven million, four hundred ninety-two thousand, one hundred thirty-seven".